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Finding the Fourth Proportional to 29,987.97, 44,981.94 and 8,927.91

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Solution

The fourth proportional to 29,987.97, 44,981.94 and 8,927.91 is: 13,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.97 : 44,981.94 = 8,927.91 : x
  2. Step 2: Convert to fraction form
    29,987.97/44,981.94 = 8,927.91/x
  3. Step 3: Cross multiply
    29,987.97x = 44,981.94 × 8,927.91
  4. Step 4: Simplify right side
    29,987.97x = 401,594,711.95
  5. Step 5: Solve for x
    x = 401,594,711.95/29,987.97
  6. Step 6: Final answer
    x = 13,391.86

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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.