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Finding the Fourth Proportional to 6,428.55, 9,616.17 and 6,034.89

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Solution

The fourth proportional to 6,428.55, 9,616.17 and 6,034.89 is: 9,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.55 : 9,616.17 = 6,034.89 : x
  2. Step 2: Convert to fraction form
    6,428.55/9,616.17 = 6,034.89/x
  3. Step 3: Cross multiply
    6,428.55x = 9,616.17 × 6,034.89
  4. Step 4: Simplify right side
    6,428.55x = 58,032,528.17
  5. Step 5: Solve for x
    x = 58,032,528.17/6,428.55
  6. Step 6: Final answer
    x = 9,027.31

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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.