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Finding the Fourth Proportional to 60,824.64, 91,245.66 and 18,708.24

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Solution

The fourth proportional to 60,824.64, 91,245.66 and 18,708.24 is: 28,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,824.64 : 91,245.66 = 18,708.24 : x
  2. Step 2: Convert to fraction form
    60,824.64/91,245.66 = 18,708.24/x
  3. Step 3: Cross multiply
    60,824.64x = 91,245.66 × 18,708.24
  4. Step 4: Simplify right side
    60,824.64x = 1,707,045,706.24
  5. Step 5: Solve for x
    x = 1,707,045,706.24/60,824.64
  6. Step 6: Final answer
    x = 28,065.04

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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.