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Finding the Fourth Proportional to 58,874.45, 81,248.87 and 33,728.81

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Solution

The fourth proportional to 58,874.45, 81,248.87 and 33,728.81 is: 46,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.45 : 81,248.87 = 33,728.81 : x
  2. Step 2: Convert to fraction form
    58,874.45/81,248.87 = 33,728.81/x
  3. Step 3: Cross multiply
    58,874.45x = 81,248.87 × 33,728.81
  4. Step 4: Simplify right side
    58,874.45x = 2,740,427,377.02
  5. Step 5: Solve for x
    x = 2,740,427,377.02/58,874.45
  6. Step 6: Final answer
    x = 46,546.98

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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.