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Finding the Fourth Proportional to 57,111.77, 78,850.02 and 36,702.11

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Solution

The fourth proportional to 57,111.77, 78,850.02 and 36,702.11 is: 50,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.77 : 78,850.02 = 36,702.11 : x
  2. Step 2: Convert to fraction form
    57,111.77/78,850.02 = 36,702.11/x
  3. Step 3: Cross multiply
    57,111.77x = 78,850.02 × 36,702.11
  4. Step 4: Simplify right side
    57,111.77x = 2,893,962,107.54
  5. Step 5: Solve for x
    x = 2,893,962,107.54/57,111.77
  6. Step 6: Final answer
    x = 50,671.90

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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.