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Finding the Fourth Proportional to 29,301.95, 43,952.32 and 7,115.45

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Solution

The fourth proportional to 29,301.95, 43,952.32 and 7,115.45 is: 10,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.95 : 43,952.32 = 7,115.45 : x
  2. Step 2: Convert to fraction form
    29,301.95/43,952.32 = 7,115.45/x
  3. Step 3: Cross multiply
    29,301.95x = 43,952.32 × 7,115.45
  4. Step 4: Simplify right side
    29,301.95x = 312,740,324.48
  5. Step 5: Solve for x
    x = 312,740,324.48/29,301.95
  6. Step 6: Final answer
    x = 10,673.02

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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.