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Finding the Fourth Proportional to 29,920.91, 41,291.13 and 16,492.65

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Solution

The fourth proportional to 29,920.91, 41,291.13 and 16,492.65 is: 22,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.91 : 41,291.13 = 16,492.65 : x
  2. Step 2: Convert to fraction form
    29,920.91/41,291.13 = 16,492.65/x
  3. Step 3: Cross multiply
    29,920.91x = 41,291.13 × 16,492.65
  4. Step 4: Simplify right side
    29,920.91x = 681,000,155.19
  5. Step 5: Solve for x
    x = 681,000,155.19/29,920.91
  6. Step 6: Final answer
    x = 22,760.01

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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.