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Finding the Fourth Proportional to 29,920.92, 41,290.74 and 16,492.74

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Solution

The fourth proportional to 29,920.92, 41,290.74 and 16,492.74 is: 22,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.92 : 41,290.74 = 16,492.74 : x
  2. Step 2: Convert to fraction form
    29,920.92/41,290.74 = 16,492.74/x
  3. Step 3: Cross multiply
    29,920.92x = 41,290.74 × 16,492.74
  4. Step 4: Simplify right side
    29,920.92x = 680,997,439.23
  5. Step 5: Solve for x
    x = 680,997,439.23/29,920.92
  6. Step 6: Final answer
    x = 22,759.91

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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.