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Finding the Fourth Proportional to 63,221.66, 87,251.92 and 34,545.67

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Solution

The fourth proportional to 63,221.66, 87,251.92 and 34,545.67 is: 47,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.66 : 87,251.92 = 34,545.67 : x
  2. Step 2: Convert to fraction form
    63,221.66/87,251.92 = 34,545.67/x
  3. Step 3: Cross multiply
    63,221.66x = 87,251.92 × 34,545.67
  4. Step 4: Simplify right side
    63,221.66x = 3,014,176,035.19
  5. Step 5: Solve for x
    x = 3,014,176,035.19/63,221.66
  6. Step 6: Final answer
    x = 47,676.32

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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.