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Finding the Fourth Proportional to 61,205.76, 84,447.77 and 37,331.01

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Solution

The fourth proportional to 61,205.76, 84,447.77 and 37,331.01 is: 51,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205.76 : 84,447.77 = 37,331.01 : x
  2. Step 2: Convert to fraction form
    61,205.76/84,447.77 = 37,331.01/x
  3. Step 3: Cross multiply
    61,205.76x = 84,447.77 × 37,331.01
  4. Step 4: Simplify right side
    61,205.76x = 3,152,520,359.69
  5. Step 5: Solve for x
    x = 3,152,520,359.69/61,205.76
  6. Step 6: Final answer
    x = 51,506.92

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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.