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Finding the Fourth Proportional to 25,859.58, 38,789.40 and 8,332.02

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Solution

The fourth proportional to 25,859.58, 38,789.40 and 8,332.02 is: 12,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.58 : 38,789.40 = 8,332.02 : x
  2. Step 2: Convert to fraction form
    25,859.58/38,789.40 = 8,332.02/x
  3. Step 3: Cross multiply
    25,859.58x = 38,789.40 × 8,332.02
  4. Step 4: Simplify right side
    25,859.58x = 323,194,056.59
  5. Step 5: Solve for x
    x = 323,194,056.59/25,859.58
  6. Step 6: Final answer
    x = 12,498.04

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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.