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Finding the Fourth Proportional to 32,808.24, 45,171 and 28,614.96

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Solution

The fourth proportional to 32,808.24, 45,171 and 28,614.96 is: 39,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.24 : 45,171 = 28,614.96 : x
  2. Step 2: Convert to fraction form
    32,808.24/45,171 = 28,614.96/x
  3. Step 3: Cross multiply
    32,808.24x = 45,171 × 28,614.96
  4. Step 4: Simplify right side
    32,808.24x = 1,292,566,358.16
  5. Step 5: Solve for x
    x = 1,292,566,358.16/32,808.24
  6. Step 6: Final answer
    x = 39,397.61

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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.