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Finding the Fourth Proportional to 58,671.39, 87,839.37 and 54,947.11

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Solution

The fourth proportional to 58,671.39, 87,839.37 and 54,947.11 is: 82,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.39 : 87,839.37 = 54,947.11 : x
  2. Step 2: Convert to fraction form
    58,671.39/87,839.37 = 54,947.11/x
  3. Step 3: Cross multiply
    58,671.39x = 87,839.37 × 54,947.11
  4. Step 4: Simplify right side
    58,671.39x = 4,826,519,525.72
  5. Step 5: Solve for x
    x = 4,826,519,525.72/58,671.39
  6. Step 6: Final answer
    x = 82,263.60

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1.5x scale

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.