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Finding the Fourth Proportional to 82,311.80, 113,590.82 and 44,586.05

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Solution

The fourth proportional to 82,311.80, 113,590.82 and 44,586.05 is: 61,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.80 : 113,590.82 = 44,586.05 : x
  2. Step 2: Convert to fraction form
    82,311.80/113,590.82 = 44,586.05/x
  3. Step 3: Cross multiply
    82,311.80x = 113,590.82 × 44,586.05
  4. Step 4: Simplify right side
    82,311.80x = 5,064,565,523.57
  5. Step 5: Solve for x
    x = 5,064,565,523.57/82,311.80
  6. Step 6: Final answer
    x = 61,529.04

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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.