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Finding the Fourth Proportional to 17,762,543.92, 24,512,904.12 and 10,885,697.20

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Solution

The fourth proportional to 17,762,543.92, 24,512,904.12 and 10,885,697.20 is: 15,022,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762,543.92 : 24,512,904.12 = 10,885,697.20 : x
  2. Step 2: Convert to fraction form
    17,762,543.92/24,512,904.12 = 10,885,697.20/x
  3. Step 3: Cross multiply
    17,762,543.92x = 24,512,904.12 × 10,885,697.20
  4. Step 4: Simplify right side
    17,762,543.92x = 266,840,051,742,952.47
  5. Step 5: Solve for x
    x = 266,840,051,742,952.47/17,762,543.92
  6. Step 6: Final answer
    x = 15,022,625.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.