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Finding the Fourth Proportional to 15,227.76, 22,848.48 and 9,679.67

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Solution

The fourth proportional to 15,227.76, 22,848.48 and 9,679.67 is: 14,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.76 : 22,848.48 = 9,679.67 : x
  2. Step 2: Convert to fraction form
    15,227.76/22,848.48 = 9,679.67/x
  3. Step 3: Cross multiply
    15,227.76x = 22,848.48 × 9,679.67
  4. Step 4: Simplify right side
    15,227.76x = 221,165,717.84
  5. Step 5: Solve for x
    x = 221,165,717.84/15,227.76
  6. Step 6: Final answer
    x = 14,523.85

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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.