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Finding the Fourth Proportional to 22,317.91, 30,799.02 and 12,246.16

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Solution

The fourth proportional to 22,317.91, 30,799.02 and 12,246.16 is: 16,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.91 : 30,799.02 = 12,246.16 : x
  2. Step 2: Convert to fraction form
    22,317.91/30,799.02 = 12,246.16/x
  3. Step 3: Cross multiply
    22,317.91x = 30,799.02 × 12,246.16
  4. Step 4: Simplify right side
    22,317.91x = 377,169,726.76
  5. Step 5: Solve for x
    x = 377,169,726.76/22,317.91
  6. Step 6: Final answer
    x = 16,899.87

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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.