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Finding the Fourth Proportional to 57,519.76, 79,374.24 and 32,370.88

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Solution

The fourth proportional to 57,519.76, 79,374.24 and 32,370.88 is: 44,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.76 : 79,374.24 = 32,370.88 : x
  2. Step 2: Convert to fraction form
    57,519.76/79,374.24 = 32,370.88/x
  3. Step 3: Cross multiply
    57,519.76x = 79,374.24 × 32,370.88
  4. Step 4: Simplify right side
    57,519.76x = 2,569,413,998.13
  5. Step 5: Solve for x
    x = 2,569,413,998.13/57,519.76
  6. Step 6: Final answer
    x = 44,670.11

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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.