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Finding the Fourth Proportional to 62,880.00, 86,753.23 and 42,701.88

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Solution

The fourth proportional to 62,880.00, 86,753.23 and 42,701.88 is: 58,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,880.00 : 86,753.23 = 42,701.88 : x
  2. Step 2: Convert to fraction form
    62,880.00/86,753.23 = 42,701.88/x
  3. Step 3: Cross multiply
    62,880.00x = 86,753.23 × 42,701.88
  4. Step 4: Simplify right side
    62,880.00x = 3,704,526,235.64
  5. Step 5: Solve for x
    x = 3,704,526,235.64/62,880.00
  6. Step 6: Final answer
    x = 58,914.22

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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.