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Finding the Fourth Proportional to 16,402,685.20, 24,604,027.81 and 16,402,685.20

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Solution

The fourth proportional to 16,402,685.20, 24,604,027.81 and 16,402,685.20 is: 24,604,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402,685.20 : 24,604,027.81 = 16,402,685.20 : x
  2. Step 2: Convert to fraction form
    16,402,685.20/24,604,027.81 = 16,402,685.20/x
  3. Step 3: Cross multiply
    16,402,685.20x = 24,604,027.81 × 16,402,685.20
  4. Step 4: Simplify right side
    16,402,685.20x = 403,572,122,819,475.38
  5. Step 5: Solve for x
    x = 403,572,122,819,475.38/16,402,685.20
  6. Step 6: Final answer
    x = 24,604,027.81

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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.