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Finding the Fourth Proportional to 29,758.95, 44,640.05 and 8,981.91

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Solution

The fourth proportional to 29,758.95, 44,640.05 and 8,981.91 is: 13,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,758.95 : 44,640.05 = 8,981.91 : x
  2. Step 2: Convert to fraction form
    29,758.95/44,640.05 = 8,981.91/x
  3. Step 3: Cross multiply
    29,758.95x = 44,640.05 × 8,981.91
  4. Step 4: Simplify right side
    29,758.95x = 400,952,866.59
  5. Step 5: Solve for x
    x = 400,952,866.59/29,758.95
  6. Step 6: Final answer
    x = 13,473.35

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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.