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Finding the Fourth Proportional to 60,015.90, 82,814.76 and 33,156.78

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Solution

The fourth proportional to 60,015.90, 82,814.76 and 33,156.78 is: 45,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,015.90 : 82,814.76 = 33,156.78 : x
  2. Step 2: Convert to fraction form
    60,015.90/82,814.76 = 33,156.78/x
  3. Step 3: Cross multiply
    60,015.90x = 82,814.76 × 33,156.78
  4. Step 4: Simplify right side
    60,015.90x = 2,745,870,778.07
  5. Step 5: Solve for x
    x = 2,745,870,778.07/60,015.90
  6. Step 6: Final answer
    x = 45,752.39

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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.