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Finding the Fourth Proportional to 22,319.65, 30,801.16 and 12,248.17

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Solution

The fourth proportional to 22,319.65, 30,801.16 and 12,248.17 is: 16,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.65 : 30,801.16 = 12,248.17 : x
  2. Step 2: Convert to fraction form
    22,319.65/30,801.16 = 12,248.17/x
  3. Step 3: Cross multiply
    22,319.65x = 30,801.16 × 12,248.17
  4. Step 4: Simplify right side
    22,319.65x = 377,257,689.87
  5. Step 5: Solve for x
    x = 377,257,689.87/22,319.65
  6. Step 6: Final answer
    x = 16,902.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.