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Finding the Fourth Proportional to 7,339.31, 11,001.72 and 4,699.31

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Solution

The fourth proportional to 7,339.31, 11,001.72 and 4,699.31 is: 7,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.31 : 11,001.72 = 4,699.31 : x
  2. Step 2: Convert to fraction form
    7,339.31/11,001.72 = 4,699.31/x
  3. Step 3: Cross multiply
    7,339.31x = 11,001.72 × 4,699.31
  4. Step 4: Simplify right side
    7,339.31x = 51,700,437.80
  5. Step 5: Solve for x
    x = 51,700,437.80/7,339.31
  6. Step 6: Final answer
    x = 7,044.32

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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.