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Finding the Fourth Proportional to 5,488.74, 8,246.52 and 5,292

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Solution

The fourth proportional to 5,488.74, 8,246.52 and 5,292 is: 7,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.74 : 8,246.52 = 5,292 : x
  2. Step 2: Convert to fraction form
    5,488.74/8,246.52 = 5,292/x
  3. Step 3: Cross multiply
    5,488.74x = 8,246.52 × 5,292
  4. Step 4: Simplify right side
    5,488.74x = 43,640,583.84
  5. Step 5: Solve for x
    x = 43,640,583.84/5,488.74
  6. Step 6: Final answer
    x = 7,950.93

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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.