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Finding the Fourth Proportional to 34,092.90, 51,128.42 and 29,718.90

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Solution

The fourth proportional to 34,092.90, 51,128.42 and 29,718.90 is: 44,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,092.90 : 51,128.42 = 29,718.90 : x
  2. Step 2: Convert to fraction form
    34,092.90/51,128.42 = 29,718.90/x
  3. Step 3: Cross multiply
    34,092.90x = 51,128.42 × 29,718.90
  4. Step 4: Simplify right side
    34,092.90x = 1,519,480,252.54
  5. Step 5: Solve for x
    x = 1,519,480,252.54/34,092.90
  6. Step 6: Final answer
    x = 44,568.82

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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.