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Finding the Fourth Proportional to 25,291.68, 37,937.52 and 8,651.88

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Solution

The fourth proportional to 25,291.68, 37,937.52 and 8,651.88 is: 12,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.68 : 37,937.52 = 8,651.88 : x
  2. Step 2: Convert to fraction form
    25,291.68/37,937.52 = 8,651.88/x
  3. Step 3: Cross multiply
    25,291.68x = 37,937.52 × 8,651.88
  4. Step 4: Simplify right side
    25,291.68x = 328,230,870.54
  5. Step 5: Solve for x
    x = 328,230,870.54/25,291.68
  6. Step 6: Final answer
    x = 12,977.82

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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.