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Finding the Fourth Proportional to 9,073.72, 13,599.06 and 4,972.60

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Solution

The fourth proportional to 9,073.72, 13,599.06 and 4,972.60 is: 7,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.72 : 13,599.06 = 4,972.60 : x
  2. Step 2: Convert to fraction form
    9,073.72/13,599.06 = 4,972.60/x
  3. Step 3: Cross multiply
    9,073.72x = 13,599.06 × 4,972.60
  4. Step 4: Simplify right side
    9,073.72x = 67,622,685.76
  5. Step 5: Solve for x
    x = 67,622,685.76/9,073.72
  6. Step 6: Final answer
    x = 7,452.59

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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.