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Finding the Fourth Proportional to 61,565.71, 84,960.66 and 33,271.38

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Solution

The fourth proportional to 61,565.71, 84,960.66 and 33,271.38 is: 45,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,565.71 : 84,960.66 = 33,271.38 : x
  2. Step 2: Convert to fraction form
    61,565.71/84,960.66 = 33,271.38/x
  3. Step 3: Cross multiply
    61,565.71x = 84,960.66 × 33,271.38
  4. Step 4: Simplify right side
    61,565.71x = 2,826,758,403.91
  5. Step 5: Solve for x
    x = 2,826,758,403.91/61,565.71
  6. Step 6: Final answer
    x = 45,914.49

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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.