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Finding the Fourth Proportional to 29,423.70, 44,135.55 and 18,926.10

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Solution

The fourth proportional to 29,423.70, 44,135.55 and 18,926.10 is: 28,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.70 : 44,135.55 = 18,926.10 : x
  2. Step 2: Convert to fraction form
    29,423.70/44,135.55 = 18,926.10/x
  3. Step 3: Cross multiply
    29,423.70x = 44,135.55 × 18,926.10
  4. Step 4: Simplify right side
    29,423.70x = 835,313,832.86
  5. Step 5: Solve for x
    x = 835,313,832.86/29,423.70
  6. Step 6: Final answer
    x = 28,389.15

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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.