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Finding the Fourth Proportional to 25,304.97, 37,932.05 and 8,653.61

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Solution

The fourth proportional to 25,304.97, 37,932.05 and 8,653.61 is: 12,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.97 : 37,932.05 = 8,653.61 : x
  2. Step 2: Convert to fraction form
    25,304.97/37,932.05 = 8,653.61/x
  3. Step 3: Cross multiply
    25,304.97x = 37,932.05 × 8,653.61
  4. Step 4: Simplify right side
    25,304.97x = 328,248,977.54
  5. Step 5: Solve for x
    x = 328,248,977.54/25,304.97
  6. Step 6: Final answer
    x = 12,971.72

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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.