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Finding the Fourth Proportional to 60,672.20, 91,008.30 and 25,651.40

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Solution

The fourth proportional to 60,672.20, 91,008.30 and 25,651.40 is: 38,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.20 : 91,008.30 = 25,651.40 : x
  2. Step 2: Convert to fraction form
    60,672.20/91,008.30 = 25,651.40/x
  3. Step 3: Cross multiply
    60,672.20x = 91,008.30 × 25,651.40
  4. Step 4: Simplify right side
    60,672.20x = 2,334,490,306.62
  5. Step 5: Solve for x
    x = 2,334,490,306.62/60,672.20
  6. Step 6: Final answer
    x = 38,477.10

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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.