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Finding the Fourth Proportional to 61,259.69, 84,540.26 and 34,402.77

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Solution

The fourth proportional to 61,259.69, 84,540.26 and 34,402.77 is: 47,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,259.69 : 84,540.26 = 34,402.77 : x
  2. Step 2: Convert to fraction form
    61,259.69/84,540.26 = 34,402.77/x
  3. Step 3: Cross multiply
    61,259.69x = 84,540.26 × 34,402.77
  4. Step 4: Simplify right side
    61,259.69x = 2,908,418,953.57
  5. Step 5: Solve for x
    x = 2,908,418,953.57/61,259.69
  6. Step 6: Final answer
    x = 47,476.88

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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.