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Finding the Fourth Proportional to 22,319.76, 30,800.06 and 12,248.04

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Solution

The fourth proportional to 22,319.76, 30,800.06 and 12,248.04 is: 16,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.76 : 30,800.06 = 12,248.04 : x
  2. Step 2: Convert to fraction form
    22,319.76/30,800.06 = 12,248.04/x
  3. Step 3: Cross multiply
    22,319.76x = 30,800.06 × 12,248.04
  4. Step 4: Simplify right side
    22,319.76x = 377,240,366.88
  5. Step 5: Solve for x
    x = 377,240,366.88/22,319.76
  6. Step 6: Final answer
    x = 16,901.63

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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.