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Finding the Fourth Proportional to 57,502.88, 86,253.60 and 20,062.88

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Solution

The fourth proportional to 57,502.88, 86,253.60 and 20,062.88 is: 30,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,502.88 : 86,253.60 = 20,062.88 : x
  2. Step 2: Convert to fraction form
    57,502.88/86,253.60 = 20,062.88/x
  3. Step 3: Cross multiply
    57,502.88x = 86,253.60 × 20,062.88
  4. Step 4: Simplify right side
    57,502.88x = 1,730,495,626.37
  5. Step 5: Solve for x
    x = 1,730,495,626.37/57,502.88
  6. Step 6: Final answer
    x = 30,094.07

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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.