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Finding the Fourth Proportional to 60,698.76, 91,094.91 and 39,633.09

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Solution

The fourth proportional to 60,698.76, 91,094.91 and 39,633.09 is: 59,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,698.76 : 91,094.91 = 39,633.09 : x
  2. Step 2: Convert to fraction form
    60,698.76/91,094.91 = 39,633.09/x
  3. Step 3: Cross multiply
    60,698.76x = 91,094.91 × 39,633.09
  4. Step 4: Simplify right side
    60,698.76x = 3,610,372,766.57
  5. Step 5: Solve for x
    x = 3,610,372,766.57/60,698.76
  6. Step 6: Final answer
    x = 59,480.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.