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Finding the Fourth Proportional to 15,228.30, 22,842.45 and 8,667.30

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Solution

The fourth proportional to 15,228.30, 22,842.45 and 8,667.30 is: 13,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.30 : 22,842.45 = 8,667.30 : x
  2. Step 2: Convert to fraction form
    15,228.30/22,842.45 = 8,667.30/x
  3. Step 3: Cross multiply
    15,228.30x = 22,842.45 × 8,667.30
  4. Step 4: Simplify right side
    15,228.30x = 197,982,366.89
  5. Step 5: Solve for x
    x = 197,982,366.89/15,228.30
  6. Step 6: Final answer
    x = 13,000.95

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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.