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Finding the Fourth Proportional to 24,089.60, 36,069.60 and 18,862.40

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Solution

The fourth proportional to 24,089.60, 36,069.60 and 18,862.40 is: 28,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,089.60 : 36,069.60 = 18,862.40 : x
  2. Step 2: Convert to fraction form
    24,089.60/36,069.60 = 18,862.40/x
  3. Step 3: Cross multiply
    24,089.60x = 36,069.60 × 18,862.40
  4. Step 4: Simplify right side
    24,089.60x = 680,359,223.04
  5. Step 5: Solve for x
    x = 680,359,223.04/24,089.60
  6. Step 6: Final answer
    x = 28,242.86

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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.