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Finding the Fourth Proportional to 7,935.52, 10,962.18 and 7,345.03

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Solution

The fourth proportional to 7,935.52, 10,962.18 and 7,345.03 is: 10,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.52 : 10,962.18 = 7,345.03 : x
  2. Step 2: Convert to fraction form
    7,935.52/10,962.18 = 7,345.03/x
  3. Step 3: Cross multiply
    7,935.52x = 10,962.18 × 7,345.03
  4. Step 4: Simplify right side
    7,935.52x = 80,517,540.97
  5. Step 5: Solve for x
    x = 80,517,540.97/7,935.52
  6. Step 6: Final answer
    x = 10,146.47

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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.