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Finding the Fourth Proportional to 60,337.20, 90,505.80 and 25,316.40

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Solution

The fourth proportional to 60,337.20, 90,505.80 and 25,316.40 is: 37,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,337.20 : 90,505.80 = 25,316.40 : x
  2. Step 2: Convert to fraction form
    60,337.20/90,505.80 = 25,316.40/x
  3. Step 3: Cross multiply
    60,337.20x = 90,505.80 × 25,316.40
  4. Step 4: Simplify right side
    60,337.20x = 2,291,281,035.12
  5. Step 5: Solve for x
    x = 2,291,281,035.12/60,337.20
  6. Step 6: Final answer
    x = 37,974.60

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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.