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Finding the Fourth Proportional to 60,863.69, 91,299.67 and 18,741.17

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Solution

The fourth proportional to 60,863.69, 91,299.67 and 18,741.17 is: 28,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,863.69 : 91,299.67 = 18,741.17 : x
  2. Step 2: Convert to fraction form
    60,863.69/91,299.67 = 18,741.17/x
  3. Step 3: Cross multiply
    60,863.69x = 91,299.67 × 18,741.17
  4. Step 4: Simplify right side
    60,863.69x = 1,711,062,455.02
  5. Step 5: Solve for x
    x = 1,711,062,455.02/60,863.69
  6. Step 6: Final answer
    x = 28,113.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.