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Finding the Fourth Proportional to 7,062.88, 9,751.26 and 4,545.94

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Solution

The fourth proportional to 7,062.88, 9,751.26 and 4,545.94 is: 6,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.88 : 9,751.26 = 4,545.94 : x
  2. Step 2: Convert to fraction form
    7,062.88/9,751.26 = 4,545.94/x
  3. Step 3: Cross multiply
    7,062.88x = 9,751.26 × 4,545.94
  4. Step 4: Simplify right side
    7,062.88x = 44,328,642.88
  5. Step 5: Solve for x
    x = 44,328,642.88/7,062.88
  6. Step 6: Final answer
    x = 6,276.28

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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.