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Finding the Fourth Proportional to 7,046.22, 9,723.44 and 4,061.88

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Solution

The fourth proportional to 7,046.22, 9,723.44 and 4,061.88 is: 5,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.22 : 9,723.44 = 4,061.88 : x
  2. Step 2: Convert to fraction form
    7,046.22/9,723.44 = 4,061.88/x
  3. Step 3: Cross multiply
    7,046.22x = 9,723.44 × 4,061.88
  4. Step 4: Simplify right side
    7,046.22x = 39,495,426.16
  5. Step 5: Solve for x
    x = 39,495,426.16/7,046.22
  6. Step 6: Final answer
    x = 5,605.19

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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.