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Finding the Fourth Proportional to 52,138.13, 71,950.19 and 28,264.19

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Solution

The fourth proportional to 52,138.13, 71,950.19 and 28,264.19 is: 39,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.13 : 71,950.19 = 28,264.19 : x
  2. Step 2: Convert to fraction form
    52,138.13/71,950.19 = 28,264.19/x
  3. Step 3: Cross multiply
    52,138.13x = 71,950.19 × 28,264.19
  4. Step 4: Simplify right side
    52,138.13x = 2,033,613,339.62
  5. Step 5: Solve for x
    x = 2,033,613,339.62/52,138.13
  6. Step 6: Final answer
    x = 39,004.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.