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Finding the Fourth Proportional to 9,381.56, 12,948.29 and 6,028.56

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Solution

The fourth proportional to 9,381.56, 12,948.29 and 6,028.56 is: 8,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.56 : 12,948.29 = 6,028.56 : x
  2. Step 2: Convert to fraction form
    9,381.56/12,948.29 = 6,028.56/x
  3. Step 3: Cross multiply
    9,381.56x = 12,948.29 × 6,028.56
  4. Step 4: Simplify right side
    9,381.56x = 78,059,584.18
  5. Step 5: Solve for x
    x = 78,059,584.18/9,381.56
  6. Step 6: Final answer
    x = 8,320.53

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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.