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Finding the Fourth Proportional to 10,531,346.10, 15,797,019.15 and 9,355,614.90

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Solution

The fourth proportional to 10,531,346.10, 15,797,019.15 and 9,355,614.90 is: 14,033,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,346.10 : 15,797,019.15 = 9,355,614.90 : x
  2. Step 2: Convert to fraction form
    10,531,346.10/15,797,019.15 = 9,355,614.90/x
  3. Step 3: Cross multiply
    10,531,346.10x = 15,797,019.15 × 9,355,614.90
  4. Step 4: Simplify right side
    10,531,346.10x = 147,790,827,735,325.34
  5. Step 5: Solve for x
    x = 147,790,827,735,325.34/10,531,346.10
  6. Step 6: Final answer
    x = 14,033,422.35

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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.