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Finding the Fourth Proportional to 57,354.59, 79,215.59 and 38,202.84

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Solution

The fourth proportional to 57,354.59, 79,215.59 and 38,202.84 is: 52,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.59 : 79,215.59 = 38,202.84 : x
  2. Step 2: Convert to fraction form
    57,354.59/79,215.59 = 38,202.84/x
  3. Step 3: Cross multiply
    57,354.59x = 79,215.59 × 38,202.84
  4. Step 4: Simplify right side
    57,354.59x = 3,026,260,605.78
  5. Step 5: Solve for x
    x = 3,026,260,605.78/57,354.59
  6. Step 6: Final answer
    x = 52,764.05

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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.