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Finding the Fourth Proportional to 61,887.57, 85,380.93 and 35,023.92

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Solution

The fourth proportional to 61,887.57, 85,380.93 and 35,023.92 is: 48,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.57 : 85,380.93 = 35,023.92 : x
  2. Step 2: Convert to fraction form
    61,887.57/85,380.93 = 35,023.92/x
  3. Step 3: Cross multiply
    61,887.57x = 85,380.93 × 35,023.92
  4. Step 4: Simplify right side
    61,887.57x = 2,990,374,861.85
  5. Step 5: Solve for x
    x = 2,990,374,861.85/61,887.57
  6. Step 6: Final answer
    x = 48,319.47

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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.