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Finding the Fourth Proportional to 37,691.68, 52,016.16 and 20,924.68

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Solution

The fourth proportional to 37,691.68, 52,016.16 and 20,924.68 is: 28,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.68 : 52,016.16 = 20,924.68 : x
  2. Step 2: Convert to fraction form
    37,691.68/52,016.16 = 20,924.68/x
  3. Step 3: Cross multiply
    37,691.68x = 52,016.16 × 20,924.68
  4. Step 4: Simplify right side
    37,691.68x = 1,088,421,502.83
  5. Step 5: Solve for x
    x = 1,088,421,502.83/37,691.68
  6. Step 6: Final answer
    x = 28,876.97

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1.5x scale

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.