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Finding the Fourth Proportional to 32,513,896.80, 48,770,845.20 and 13,358,401.20

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Solution

The fourth proportional to 32,513,896.80, 48,770,845.20 and 13,358,401.20 is: 20,037,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513,896.80 : 48,770,845.20 = 13,358,401.20 : x
  2. Step 2: Convert to fraction form
    32,513,896.80/48,770,845.20 = 13,358,401.20/x
  3. Step 3: Cross multiply
    32,513,896.80x = 48,770,845.20 × 13,358,401.20
  4. Step 4: Simplify right side
    32,513,896.80x = 651,500,517,044,694.25
  5. Step 5: Solve for x
    x = 651,500,517,044,694.25/32,513,896.80
  6. Step 6: Final answer
    x = 20,037,601.80

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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.