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Finding the Fourth Proportional to 53,397.62, 80,112.50 and 15,958.91

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Solution

The fourth proportional to 53,397.62, 80,112.50 and 15,958.91 is: 23,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.62 : 80,112.50 = 15,958.91 : x
  2. Step 2: Convert to fraction form
    53,397.62/80,112.50 = 15,958.91/x
  3. Step 3: Cross multiply
    53,397.62x = 80,112.50 × 15,958.91
  4. Step 4: Simplify right side
    53,397.62x = 1,278,508,357.71
  5. Step 5: Solve for x
    x = 1,278,508,357.71/53,397.62
  6. Step 6: Final answer
    x = 23,943.17

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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.