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Finding the Fourth Proportional to 60,396.60, 90,551.70 and 27,089.40

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Solution

The fourth proportional to 60,396.60, 90,551.70 and 27,089.40 is: 40,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,396.60 : 90,551.70 = 27,089.40 : x
  2. Step 2: Convert to fraction form
    60,396.60/90,551.70 = 27,089.40/x
  3. Step 3: Cross multiply
    60,396.60x = 90,551.70 × 27,089.40
  4. Step 4: Simplify right side
    60,396.60x = 2,452,991,221.98
  5. Step 5: Solve for x
    x = 2,452,991,221.98/60,396.60
  6. Step 6: Final answer
    x = 40,614.72

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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.