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Finding the Fourth Proportional to 58,601.80, 80,917.08 and 54,123.76

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Solution

The fourth proportional to 58,601.80, 80,917.08 and 54,123.76 is: 74,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.80 : 80,917.08 = 54,123.76 : x
  2. Step 2: Convert to fraction form
    58,601.80/80,917.08 = 54,123.76/x
  3. Step 3: Cross multiply
    58,601.80x = 80,917.08 × 54,123.76
  4. Step 4: Simplify right side
    58,601.80x = 4,379,536,617.82
  5. Step 5: Solve for x
    x = 4,379,536,617.82/58,601.80
  6. Step 6: Final answer
    x = 74,733.82

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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.