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Finding the Fourth Proportional to 5,283.98, 7,291.88 and 2,926.11

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Solution

The fourth proportional to 5,283.98, 7,291.88 and 2,926.11 is: 4,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.98 : 7,291.88 = 2,926.11 : x
  2. Step 2: Convert to fraction form
    5,283.98/7,291.88 = 2,926.11/x
  3. Step 3: Cross multiply
    5,283.98x = 7,291.88 × 2,926.11
  4. Step 4: Simplify right side
    5,283.98x = 21,336,877.65
  5. Step 5: Solve for x
    x = 21,336,877.65/5,283.98
  6. Step 6: Final answer
    x = 4,038.04

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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.