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Finding the Fourth Proportional to 16,395.40, 24,593.10 and 15,423.40

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Solution

The fourth proportional to 16,395.40, 24,593.10 and 15,423.40 is: 23,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.40 : 24,593.10 = 15,423.40 : x
  2. Step 2: Convert to fraction form
    16,395.40/24,593.10 = 15,423.40/x
  3. Step 3: Cross multiply
    16,395.40x = 24,593.10 × 15,423.40
  4. Step 4: Simplify right side
    16,395.40x = 379,309,218.54
  5. Step 5: Solve for x
    x = 379,309,218.54/16,395.40
  6. Step 6: Final answer
    x = 23,135.10

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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.