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Finding the Fourth Proportional to 7,809.84, 11,714.73 and 2,263.18

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Solution

The fourth proportional to 7,809.84, 11,714.73 and 2,263.18 is: 3,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.84 : 11,714.73 = 2,263.18 : x
  2. Step 2: Convert to fraction form
    7,809.84/11,714.73 = 2,263.18/x
  3. Step 3: Cross multiply
    7,809.84x = 11,714.73 × 2,263.18
  4. Step 4: Simplify right side
    7,809.84x = 26,512,513.35
  5. Step 5: Solve for x
    x = 26,512,513.35/7,809.84
  6. Step 6: Final answer
    x = 3,394.76

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.