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Finding the Fourth Proportional to 61,825.59, 85,332.09 and 34,969.23

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Solution

The fourth proportional to 61,825.59, 85,332.09 and 34,969.23 is: 48,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,825.59 : 85,332.09 = 34,969.23 : x
  2. Step 2: Convert to fraction form
    61,825.59/85,332.09 = 34,969.23/x
  3. Step 3: Cross multiply
    61,825.59x = 85,332.09 × 34,969.23
  4. Step 4: Simplify right side
    61,825.59x = 2,983,997,481.59
  5. Step 5: Solve for x
    x = 2,983,997,481.59/61,825.59
  6. Step 6: Final answer
    x = 48,264.76

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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.