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Finding the Fourth Proportional to 25,412.88, 38,053.68 and 17,539.68

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Solution

The fourth proportional to 25,412.88, 38,053.68 and 17,539.68 is: 26,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.88 : 38,053.68 = 17,539.68 : x
  2. Step 2: Convert to fraction form
    25,412.88/38,053.68 = 17,539.68/x
  3. Step 3: Cross multiply
    25,412.88x = 38,053.68 × 17,539.68
  4. Step 4: Simplify right side
    25,412.88x = 667,449,370.02
  5. Step 5: Solve for x
    x = 667,449,370.02/25,412.88
  6. Step 6: Final answer
    x = 26,264.22

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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.