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Finding the Fourth Proportional to 57,058.60, 85,587.90 and 52,793.95

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Solution

The fourth proportional to 57,058.60, 85,587.90 and 52,793.95 is: 79,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.60 : 85,587.90 = 52,793.95 : x
  2. Step 2: Convert to fraction form
    57,058.60/85,587.90 = 52,793.95/x
  3. Step 3: Cross multiply
    57,058.60x = 85,587.90 × 52,793.95
  4. Step 4: Simplify right side
    57,058.60x = 4,518,523,313.21
  5. Step 5: Solve for x
    x = 4,518,523,313.21/57,058.60
  6. Step 6: Final answer
    x = 79,190.93

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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.