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Finding the Fourth Proportional to 15,353.76, 22,982.97 and 8,316.30

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Solution

The fourth proportional to 15,353.76, 22,982.97 and 8,316.30 is: 12,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.76 : 22,982.97 = 8,316.30 : x
  2. Step 2: Convert to fraction form
    15,353.76/22,982.97 = 8,316.30/x
  3. Step 3: Cross multiply
    15,353.76x = 22,982.97 × 8,316.30
  4. Step 4: Simplify right side
    15,353.76x = 191,133,304.60
  5. Step 5: Solve for x
    x = 191,133,304.60/15,353.76
  6. Step 6: Final answer
    x = 12,448.63

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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.