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Finding the Fourth Proportional to 60,308.20, 90,462.30 and 57,748.60

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Solution

The fourth proportional to 60,308.20, 90,462.30 and 57,748.60 is: 86,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.20 : 90,462.30 = 57,748.60 : x
  2. Step 2: Convert to fraction form
    60,308.20/90,462.30 = 57,748.60/x
  3. Step 3: Cross multiply
    60,308.20x = 90,462.30 × 57,748.60
  4. Step 4: Simplify right side
    60,308.20x = 5,224,071,177.78
  5. Step 5: Solve for x
    x = 5,224,071,177.78/60,308.20
  6. Step 6: Final answer
    x = 86,622.90

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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.