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Finding the Fourth Proportional to 24,400.78, 36,603.61 and 6,631.70

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Solution

The fourth proportional to 24,400.78, 36,603.61 and 6,631.70 is: 9,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,400.78 : 36,603.61 = 6,631.70 : x
  2. Step 2: Convert to fraction form
    24,400.78/36,603.61 = 6,631.70/x
  3. Step 3: Cross multiply
    24,400.78x = 36,603.61 × 6,631.70
  4. Step 4: Simplify right side
    24,400.78x = 242,743,960.84
  5. Step 5: Solve for x
    x = 242,743,960.84/24,400.78
  6. Step 6: Final answer
    x = 9,948.21

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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.