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Finding the Fourth Proportional to 25,891.52, 35,730.24 and 14,713.52

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Solution

The fourth proportional to 25,891.52, 35,730.24 and 14,713.52 is: 20,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.52 : 35,730.24 = 14,713.52 : x
  2. Step 2: Convert to fraction form
    25,891.52/35,730.24 = 14,713.52/x
  3. Step 3: Cross multiply
    25,891.52x = 35,730.24 × 14,713.52
  4. Step 4: Simplify right side
    25,891.52x = 525,717,600.84
  5. Step 5: Solve for x
    x = 525,717,600.84/25,891.52
  6. Step 6: Final answer
    x = 20,304.62

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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.