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Finding the Fourth Proportional to 15,248.79, 22,886.42 and 8,234.91

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Solution

The fourth proportional to 15,248.79, 22,886.42 and 8,234.91 is: 12,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.79 : 22,886.42 = 8,234.91 : x
  2. Step 2: Convert to fraction form
    15,248.79/22,886.42 = 8,234.91/x
  3. Step 3: Cross multiply
    15,248.79x = 22,886.42 × 8,234.91
  4. Step 4: Simplify right side
    15,248.79x = 188,467,567.75
  5. Step 5: Solve for x
    x = 188,467,567.75/15,248.79
  6. Step 6: Final answer
    x = 12,359.51

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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.