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Finding the Fourth Proportional to 64,262.04, 88,635.84 and 39,113.16

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Solution

The fourth proportional to 64,262.04, 88,635.84 and 39,113.16 is: 53,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,262.04 : 88,635.84 = 39,113.16 : x
  2. Step 2: Convert to fraction form
    64,262.04/88,635.84 = 39,113.16/x
  3. Step 3: Cross multiply
    64,262.04x = 88,635.84 × 39,113.16
  4. Step 4: Simplify right side
    64,262.04x = 3,466,827,791.65
  5. Step 5: Solve for x
    x = 3,466,827,791.65/64,262.04
  6. Step 6: Final answer
    x = 53,948.30

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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.