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Finding the Fourth Proportional to 8,805,809.70, 13,208,714.55 and 7,609,083.30

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Solution

The fourth proportional to 8,805,809.70, 13,208,714.55 and 7,609,083.30 is: 11,413,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,809.70 : 13,208,714.55 = 7,609,083.30 : x
  2. Step 2: Convert to fraction form
    8,805,809.70/13,208,714.55 = 7,609,083.30/x
  3. Step 3: Cross multiply
    8,805,809.70x = 13,208,714.55 × 7,609,083.30
  4. Step 4: Simplify right side
    8,805,809.70x = 100,506,209,296,872.02
  5. Step 5: Solve for x
    x = 100,506,209,296,872.02/8,805,809.70
  6. Step 6: Final answer
    x = 11,413,624.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.