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Finding the Fourth Proportional to 37,431.40, 56,098.40 and 15,218.88

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Solution

The fourth proportional to 37,431.40, 56,098.40 and 15,218.88 is: 22,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.40 : 56,098.40 = 15,218.88 : x
  2. Step 2: Convert to fraction form
    37,431.40/56,098.40 = 15,218.88/x
  3. Step 3: Cross multiply
    37,431.40x = 56,098.40 × 15,218.88
  4. Step 4: Simplify right side
    37,431.40x = 853,754,817.79
  5. Step 5: Solve for x
    x = 853,754,817.79/37,431.40
  6. Step 6: Final answer
    x = 22,808.52

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1.5x scale

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.