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Finding the Fourth Proportional to 25,125.59, 34,674.87 and 13,947.59

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Solution

The fourth proportional to 25,125.59, 34,674.87 and 13,947.59 is: 19,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.59 : 34,674.87 = 13,947.59 : x
  2. Step 2: Convert to fraction form
    25,125.59/34,674.87 = 13,947.59/x
  3. Step 3: Cross multiply
    25,125.59x = 34,674.87 × 13,947.59
  4. Step 4: Simplify right side
    25,125.59x = 483,630,696.69
  5. Step 5: Solve for x
    x = 483,630,696.69/25,125.59
  6. Step 6: Final answer
    x = 19,248.53

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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.