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Finding the Fourth Proportional to 57,092.32, 78,862.70 and 43,827.48

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Solution

The fourth proportional to 57,092.32, 78,862.70 and 43,827.48 is: 60,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.32 : 78,862.70 = 43,827.48 : x
  2. Step 2: Convert to fraction form
    57,092.32/78,862.70 = 43,827.48/x
  3. Step 3: Cross multiply
    57,092.32x = 78,862.70 × 43,827.48
  4. Step 4: Simplify right side
    57,092.32x = 3,456,353,407.00
  5. Step 5: Solve for x
    x = 3,456,353,407.00/57,092.32
  6. Step 6: Final answer
    x = 60,539.73

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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.