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Finding the Fourth Proportional to 61,765.65, 92,796.10 and 39,622.28

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Solution

The fourth proportional to 61,765.65, 92,796.10 and 39,622.28 is: 59,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.65 : 92,796.10 = 39,622.28 : x
  2. Step 2: Convert to fraction form
    61,765.65/92,796.10 = 39,622.28/x
  3. Step 3: Cross multiply
    61,765.65x = 92,796.10 × 39,622.28
  4. Step 4: Simplify right side
    61,765.65x = 3,676,792,494.07
  5. Step 5: Solve for x
    x = 3,676,792,494.07/61,765.65
  6. Step 6: Final answer
    x = 59,528.11

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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.