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Finding the Fourth Proportional to 65,360.89, 98,001.79 and 29,330.74

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Solution

The fourth proportional to 65,360.89, 98,001.79 and 29,330.74 is: 43,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360.89 : 98,001.79 = 29,330.74 : x
  2. Step 2: Convert to fraction form
    65,360.89/98,001.79 = 29,330.74/x
  3. Step 3: Cross multiply
    65,360.89x = 98,001.79 × 29,330.74
  4. Step 4: Simplify right side
    65,360.89x = 2,874,465,022.02
  5. Step 5: Solve for x
    x = 2,874,465,022.02/65,360.89
  6. Step 6: Final answer
    x = 43,978.36

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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.