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Finding the Fourth Proportional to 58,544.15, 80,736.10 and 38,863.84

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Solution

The fourth proportional to 58,544.15, 80,736.10 and 38,863.84 is: 53,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,544.15 : 80,736.10 = 38,863.84 : x
  2. Step 2: Convert to fraction form
    58,544.15/80,736.10 = 38,863.84/x
  3. Step 3: Cross multiply
    58,544.15x = 80,736.10 × 38,863.84
  4. Step 4: Simplify right side
    58,544.15x = 3,137,714,872.62
  5. Step 5: Solve for x
    x = 3,137,714,872.62/58,544.15
  6. Step 6: Final answer
    x = 53,595.70

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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.