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Finding the Fourth Proportional to 9,294.17, 12,824.06 and 5,316.62

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Solution

The fourth proportional to 9,294.17, 12,824.06 and 5,316.62 is: 7,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.17 : 12,824.06 = 5,316.62 : x
  2. Step 2: Convert to fraction form
    9,294.17/12,824.06 = 5,316.62/x
  3. Step 3: Cross multiply
    9,294.17x = 12,824.06 × 5,316.62
  4. Step 4: Simplify right side
    9,294.17x = 68,180,563.17
  5. Step 5: Solve for x
    x = 68,180,563.17/9,294.17
  6. Step 6: Final answer
    x = 7,335.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.