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Finding the Fourth Proportional to 29,652.60, 44,478.90 and 28,615.80

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Solution

The fourth proportional to 29,652.60, 44,478.90 and 28,615.80 is: 42,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652.60 : 44,478.90 = 28,615.80 : x
  2. Step 2: Convert to fraction form
    29,652.60/44,478.90 = 28,615.80/x
  3. Step 3: Cross multiply
    29,652.60x = 44,478.90 × 28,615.80
  4. Step 4: Simplify right side
    29,652.60x = 1,272,799,306.62
  5. Step 5: Solve for x
    x = 1,272,799,306.62/29,652.60
  6. Step 6: Final answer
    x = 42,923.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.