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Finding the Fourth Proportional to 25,871.58, 38,806.29 and 7,403.58

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Solution

The fourth proportional to 25,871.58, 38,806.29 and 7,403.58 is: 11,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.58 : 38,806.29 = 7,403.58 : x
  2. Step 2: Convert to fraction form
    25,871.58/38,806.29 = 7,403.58/x
  3. Step 3: Cross multiply
    25,871.58x = 38,806.29 × 7,403.58
  4. Step 4: Simplify right side
    25,871.58x = 287,305,472.52
  5. Step 5: Solve for x
    x = 287,305,472.52/25,871.58
  6. Step 6: Final answer
    x = 11,105.06

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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.