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Finding the Fourth Proportional to 25,995.41, 38,996.59 and 9,124.41

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Solution

The fourth proportional to 25,995.41, 38,996.59 and 9,124.41 is: 13,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.41 : 38,996.59 = 9,124.41 : x
  2. Step 2: Convert to fraction form
    25,995.41/38,996.59 = 9,124.41/x
  3. Step 3: Cross multiply
    25,995.41x = 38,996.59 × 9,124.41
  4. Step 4: Simplify right side
    25,995.41x = 355,820,875.76
  5. Step 5: Solve for x
    x = 355,820,875.76/25,995.41
  6. Step 6: Final answer
    x = 13,687.83

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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.