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Finding the Fourth Proportional to 61,899, 92,728.98 and 36,959.04

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Solution

The fourth proportional to 61,899, 92,728.98 and 36,959.04 is: 55,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899 : 92,728.98 = 36,959.04 : x
  2. Step 2: Convert to fraction form
    61,899/92,728.98 = 36,959.04/x
  3. Step 3: Cross multiply
    61,899x = 92,728.98 × 36,959.04
  4. Step 4: Simplify right side
    61,899x = 3,427,174,080.98
  5. Step 5: Solve for x
    x = 3,427,174,080.98/61,899
  6. Step 6: Final answer
    x = 55,367.20

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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.