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Finding the Fourth Proportional to 57,770.90, 79,714.12 and 32,276.29

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Solution

The fourth proportional to 57,770.90, 79,714.12 and 32,276.29 is: 44,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.90 : 79,714.12 = 32,276.29 : x
  2. Step 2: Convert to fraction form
    57,770.90/79,714.12 = 32,276.29/x
  3. Step 3: Cross multiply
    57,770.90x = 79,714.12 × 32,276.29
  4. Step 4: Simplify right side
    57,770.90x = 2,572,876,054.21
  5. Step 5: Solve for x
    x = 2,572,876,054.21/57,770.90
  6. Step 6: Final answer
    x = 44,535.85

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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.