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Finding the Fourth Proportional to 60,661.59, 83,712.77 and 33,803.85

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Solution

The fourth proportional to 60,661.59, 83,712.77 and 33,803.85 is: 46,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.59 : 83,712.77 = 33,803.85 : x
  2. Step 2: Convert to fraction form
    60,661.59/83,712.77 = 33,803.85/x
  3. Step 3: Cross multiply
    60,661.59x = 83,712.77 × 33,803.85
  4. Step 4: Simplify right side
    60,661.59x = 2,829,813,751.15
  5. Step 5: Solve for x
    x = 2,829,813,751.15/60,661.59
  6. Step 6: Final answer
    x = 46,649.19

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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.