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Finding the Fourth Proportional to 9,180.68, 12,675.44 and 7,052.42

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Solution

The fourth proportional to 9,180.68, 12,675.44 and 7,052.42 is: 9,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.68 : 12,675.44 = 7,052.42 : x
  2. Step 2: Convert to fraction form
    9,180.68/12,675.44 = 7,052.42/x
  3. Step 3: Cross multiply
    9,180.68x = 12,675.44 × 7,052.42
  4. Step 4: Simplify right side
    9,180.68x = 89,392,526.56
  5. Step 5: Solve for x
    x = 89,392,526.56/9,180.68
  6. Step 6: Final answer
    x = 9,737.03

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Half scale
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Double scale
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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.