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Finding the Fourth Proportional to 63,565.56, 87,714.66 and 37,719.65

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Solution

The fourth proportional to 63,565.56, 87,714.66 and 37,719.65 is: 52,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.56 : 87,714.66 = 37,719.65 : x
  2. Step 2: Convert to fraction form
    63,565.56/87,714.66 = 37,719.65/x
  3. Step 3: Cross multiply
    63,565.56x = 87,714.66 × 37,719.65
  4. Step 4: Simplify right side
    63,565.56x = 3,308,566,635.80
  5. Step 5: Solve for x
    x = 3,308,566,635.80/63,565.56
  6. Step 6: Final answer
    x = 52,049.67

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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.