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Finding the Fourth Proportional to 60,015.38, 82,820.88 and 33,157.89

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Solution

The fourth proportional to 60,015.38, 82,820.88 and 33,157.89 is: 45,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,015.38 : 82,820.88 = 33,157.89 : x
  2. Step 2: Convert to fraction form
    60,015.38/82,820.88 = 33,157.89/x
  3. Step 3: Cross multiply
    60,015.38x = 82,820.88 × 33,157.89
  4. Step 4: Simplify right side
    60,015.38x = 2,746,165,628.74
  5. Step 5: Solve for x
    x = 2,746,165,628.74/60,015.38
  6. Step 6: Final answer
    x = 45,757.70

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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.