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Finding the Fourth Proportional to 25,206.68, 37,815.71 and 8,339.65

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Solution

The fourth proportional to 25,206.68, 37,815.71 and 8,339.65 is: 12,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.68 : 37,815.71 = 8,339.65 : x
  2. Step 2: Convert to fraction form
    25,206.68/37,815.71 = 8,339.65/x
  3. Step 3: Cross multiply
    25,206.68x = 37,815.71 × 8,339.65
  4. Step 4: Simplify right side
    25,206.68x = 315,369,854.02
  5. Step 5: Solve for x
    x = 315,369,854.02/25,206.68
  6. Step 6: Final answer
    x = 12,511.36

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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.