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Finding the Fourth Proportional to 58,555.38, 80,853.01 and 54,077.50

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Solution

The fourth proportional to 58,555.38, 80,853.01 and 54,077.50 is: 74,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,555.38 : 80,853.01 = 54,077.50 : x
  2. Step 2: Convert to fraction form
    58,555.38/80,853.01 = 54,077.50/x
  3. Step 3: Cross multiply
    58,555.38x = 80,853.01 × 54,077.50
  4. Step 4: Simplify right side
    58,555.38x = 4,372,328,310.95
  5. Step 5: Solve for x
    x = 4,372,328,310.95/58,555.38
  6. Step 6: Final answer
    x = 74,669.97

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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.