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Finding the Fourth Proportional to 24,234.40, 36,278.70 and 21,318.40

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Solution

The fourth proportional to 24,234.40, 36,278.70 and 21,318.40 is: 31,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,234.40 : 36,278.70 = 21,318.40 : x
  2. Step 2: Convert to fraction form
    24,234.40/36,278.70 = 21,318.40/x
  3. Step 3: Cross multiply
    24,234.40x = 36,278.70 × 21,318.40
  4. Step 4: Simplify right side
    24,234.40x = 773,403,838.08
  5. Step 5: Solve for x
    x = 773,403,838.08/24,234.40
  6. Step 6: Final answer
    x = 31,913.47

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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.