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Finding the Fourth Proportional to 61,318.55, 84,642.73 and 35,833.22

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Solution

The fourth proportional to 61,318.55, 84,642.73 and 35,833.22 is: 49,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,318.55 : 84,642.73 = 35,833.22 : x
  2. Step 2: Convert to fraction form
    61,318.55/84,642.73 = 35,833.22/x
  3. Step 3: Cross multiply
    61,318.55x = 84,642.73 × 35,833.22
  4. Step 4: Simplify right side
    61,318.55x = 3,033,021,370.10
  5. Step 5: Solve for x
    x = 3,033,021,370.10/61,318.55
  6. Step 6: Final answer
    x = 49,463.36

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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.