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Finding the Fourth Proportional to 32,585.25, 44,972.48 and 20,649.70

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Solution

The fourth proportional to 32,585.25, 44,972.48 and 20,649.70 is: 28,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,585.25 : 44,972.48 = 20,649.70 : x
  2. Step 2: Convert to fraction form
    32,585.25/44,972.48 = 20,649.70/x
  3. Step 3: Cross multiply
    32,585.25x = 44,972.48 × 20,649.70
  4. Step 4: Simplify right side
    32,585.25x = 928,668,220.26
  5. Step 5: Solve for x
    x = 928,668,220.26/32,585.25
  6. Step 6: Final answer
    x = 28,499.65

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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.