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Finding the Fourth Proportional to 7,169,968.70, 10,754,953.05 and 6,603,098.30

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Solution

The fourth proportional to 7,169,968.70, 10,754,953.05 and 6,603,098.30 is: 9,904,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,968.70 : 10,754,953.05 = 6,603,098.30 : x
  2. Step 2: Convert to fraction form
    7,169,968.70/10,754,953.05 = 6,603,098.30/x
  3. Step 3: Cross multiply
    7,169,968.70x = 10,754,953.05 × 6,603,098.30
  4. Step 4: Simplify right side
    7,169,968.70x = 71,016,012,201,034.81
  5. Step 5: Solve for x
    x = 71,016,012,201,034.81/7,169,968.70
  6. Step 6: Final answer
    x = 9,904,647.45

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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.