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Finding the Fourth Proportional to 24,436.80, 36,644.40 and 9,640.80

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Solution

The fourth proportional to 24,436.80, 36,644.40 and 9,640.80 is: 14,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,436.80 : 36,644.40 = 9,640.80 : x
  2. Step 2: Convert to fraction form
    24,436.80/36,644.40 = 9,640.80/x
  3. Step 3: Cross multiply
    24,436.80x = 36,644.40 × 9,640.80
  4. Step 4: Simplify right side
    24,436.80x = 353,281,331.52
  5. Step 5: Solve for x
    x = 353,281,331.52/24,436.80
  6. Step 6: Final answer
    x = 14,456.94

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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.