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Finding the Fourth Proportional to 29,981.08, 44,963.08 and 8,920.28

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Solution

The fourth proportional to 29,981.08, 44,963.08 and 8,920.28 is: 13,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.08 : 44,963.08 = 8,920.28 : x
  2. Step 2: Convert to fraction form
    29,981.08/44,963.08 = 8,920.28/x
  3. Step 3: Cross multiply
    29,981.08x = 44,963.08 × 8,920.28
  4. Step 4: Simplify right side
    29,981.08x = 401,083,263.26
  5. Step 5: Solve for x
    x = 401,083,263.26/29,981.08
  6. Step 6: Final answer
    x = 13,377.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.