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Finding the Fourth Proportional to 24,237.92, 36,326.64 and 8,638.40

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Solution

The fourth proportional to 24,237.92, 36,326.64 and 8,638.40 is: 12,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,237.92 : 36,326.64 = 8,638.40 : x
  2. Step 2: Convert to fraction form
    24,237.92/36,326.64 = 8,638.40/x
  3. Step 3: Cross multiply
    24,237.92x = 36,326.64 × 8,638.40
  4. Step 4: Simplify right side
    24,237.92x = 313,804,046.98
  5. Step 5: Solve for x
    x = 313,804,046.98/24,237.92
  6. Step 6: Final answer
    x = 12,946.82

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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.