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Finding the Fourth Proportional to 60,380.80, 90,614.40 and 25,345.60

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Solution

The fourth proportional to 60,380.80, 90,614.40 and 25,345.60 is: 38,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,380.80 : 90,614.40 = 25,345.60 : x
  2. Step 2: Convert to fraction form
    60,380.80/90,614.40 = 25,345.60/x
  3. Step 3: Cross multiply
    60,380.80x = 90,614.40 × 25,345.60
  4. Step 4: Simplify right side
    60,380.80x = 2,296,676,336.64
  5. Step 5: Solve for x
    x = 2,296,676,336.64/60,380.80
  6. Step 6: Final answer
    x = 38,036.53

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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.