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Finding the Fourth Proportional to 7,060.88, 9,730.04 and 5,065.04

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Solution

The fourth proportional to 7,060.88, 9,730.04 and 5,065.04 is: 6,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.88 : 9,730.04 = 5,065.04 : x
  2. Step 2: Convert to fraction form
    7,060.88/9,730.04 = 5,065.04/x
  3. Step 3: Cross multiply
    7,060.88x = 9,730.04 × 5,065.04
  4. Step 4: Simplify right side
    7,060.88x = 49,283,041.80
  5. Step 5: Solve for x
    x = 49,283,041.80/7,060.88
  6. Step 6: Final answer
    x = 6,979.73

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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.