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Finding the Fourth Proportional to 55,714.74, 76,903.88 and 37,591.80

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Solution

The fourth proportional to 55,714.74, 76,903.88 and 37,591.80 is: 51,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,714.74 : 76,903.88 = 37,591.80 : x
  2. Step 2: Convert to fraction form
    55,714.74/76,903.88 = 37,591.80/x
  3. Step 3: Cross multiply
    55,714.74x = 76,903.88 × 37,591.80
  4. Step 4: Simplify right side
    55,714.74x = 2,890,955,011.29
  5. Step 5: Solve for x
    x = 2,890,955,011.29/55,714.74
  6. Step 6: Final answer
    x = 51,888.52

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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.