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Finding the Fourth Proportional to 25,557.68, 35,269.88 and 14,073.88

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Solution

The fourth proportional to 25,557.68, 35,269.88 and 14,073.88 is: 19,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.68 : 35,269.88 = 14,073.88 : x
  2. Step 2: Convert to fraction form
    25,557.68/35,269.88 = 14,073.88/x
  3. Step 3: Cross multiply
    25,557.68x = 35,269.88 × 14,073.88
  4. Step 4: Simplify right side
    25,557.68x = 496,384,058.73
  5. Step 5: Solve for x
    x = 496,384,058.73/25,557.68
  6. Step 6: Final answer
    x = 19,422.11

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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.