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Finding the Fourth Proportional to 9,081.53, 13,615.06 and 8,352.57

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Solution

The fourth proportional to 9,081.53, 13,615.06 and 8,352.57 is: 12,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.53 : 13,615.06 = 8,352.57 : x
  2. Step 2: Convert to fraction form
    9,081.53/13,615.06 = 8,352.57/x
  3. Step 3: Cross multiply
    9,081.53x = 13,615.06 × 8,352.57
  4. Step 4: Simplify right side
    9,081.53x = 113,720,699.94
  5. Step 5: Solve for x
    x = 113,720,699.94/9,081.53
  6. Step 6: Final answer
    x = 12,522.20

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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.