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Finding the Fourth Proportional to 28,952.52, 43,414.89 and 14,144.10

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Solution

The fourth proportional to 28,952.52, 43,414.89 and 14,144.10 is: 21,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.52 : 43,414.89 = 14,144.10 : x
  2. Step 2: Convert to fraction form
    28,952.52/43,414.89 = 14,144.10/x
  3. Step 3: Cross multiply
    28,952.52x = 43,414.89 × 14,144.10
  4. Step 4: Simplify right side
    28,952.52x = 614,064,545.65
  5. Step 5: Solve for x
    x = 614,064,545.65/28,952.52
  6. Step 6: Final answer
    x = 21,209.36

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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.