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Finding the Fourth Proportional to 50,472.10, 75,623.10 and 39,901.60

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Solution

The fourth proportional to 50,472.10, 75,623.10 and 39,901.60 is: 59,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472.10 : 75,623.10 = 39,901.60 : x
  2. Step 2: Convert to fraction form
    50,472.10/75,623.10 = 39,901.60/x
  3. Step 3: Cross multiply
    50,472.10x = 75,623.10 × 39,901.60
  4. Step 4: Simplify right side
    50,472.10x = 3,017,482,686.96
  5. Step 5: Solve for x
    x = 3,017,482,686.96/50,472.10
  6. Step 6: Final answer
    x = 59,785.16

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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.