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Finding the Fourth Proportional to 44,714.16, 61,687.85 and 28,807.88

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Solution

The fourth proportional to 44,714.16, 61,687.85 and 28,807.88 is: 39,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,714.16 : 61,687.85 = 28,807.88 : x
  2. Step 2: Convert to fraction form
    44,714.16/61,687.85 = 28,807.88/x
  3. Step 3: Cross multiply
    44,714.16x = 61,687.85 × 28,807.88
  4. Step 4: Simplify right side
    44,714.16x = 1,777,095,727.78
  5. Step 5: Solve for x
    x = 1,777,095,727.78/44,714.16
  6. Step 6: Final answer
    x = 39,743.47

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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.