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Finding the Fourth Proportional to 82,603.80, 113,991.84 and 44,877.78

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Solution

The fourth proportional to 82,603.80, 113,991.84 and 44,877.78 is: 61,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,603.80 : 113,991.84 = 44,877.78 : x
  2. Step 2: Convert to fraction form
    82,603.80/113,991.84 = 44,877.78/x
  3. Step 3: Cross multiply
    82,603.80x = 113,991.84 × 44,877.78
  4. Step 4: Simplify right side
    82,603.80x = 5,115,700,717.32
  5. Step 5: Solve for x
    x = 5,115,700,717.32/82,603.80
  6. Step 6: Final answer
    x = 61,930.57

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1.5x scale

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.