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Finding the Fourth Proportional to 24,019.60, 36,029.40 and 21,869.20

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Solution

The fourth proportional to 24,019.60, 36,029.40 and 21,869.20 is: 32,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,019.60 : 36,029.40 = 21,869.20 : x
  2. Step 2: Convert to fraction form
    24,019.60/36,029.40 = 21,869.20/x
  3. Step 3: Cross multiply
    24,019.60x = 36,029.40 × 21,869.20
  4. Step 4: Simplify right side
    24,019.60x = 787,934,154.48
  5. Step 5: Solve for x
    x = 787,934,154.48/24,019.60
  6. Step 6: Final answer
    x = 32,803.80

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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.