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Finding the Fourth Proportional to 82,311.88, 113,590.02 and 44,586.22

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Solution

The fourth proportional to 82,311.88, 113,590.02 and 44,586.22 is: 61,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.88 : 113,590.02 = 44,586.22 : x
  2. Step 2: Convert to fraction form
    82,311.88/113,590.02 = 44,586.22/x
  3. Step 3: Cross multiply
    82,311.88x = 113,590.02 × 44,586.22
  4. Step 4: Simplify right side
    82,311.88x = 5,064,549,621.52
  5. Step 5: Solve for x
    x = 5,064,549,621.52/82,311.88
  6. Step 6: Final answer
    x = 61,528.78

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Double scale
Find fourth proportional to 82,312.88, 113,591.40 and 44,587.22
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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.