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Finding the Fourth Proportional to 40,449.88, 60,683.58 and 15,489.93

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Solution

The fourth proportional to 40,449.88, 60,683.58 and 15,489.93 is: 23,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.88 : 60,683.58 = 15,489.93 : x
  2. Step 2: Convert to fraction form
    40,449.88/60,683.58 = 15,489.93/x
  3. Step 3: Cross multiply
    40,449.88x = 60,683.58 × 15,489.93
  4. Step 4: Simplify right side
    40,449.88x = 939,984,596.78
  5. Step 5: Solve for x
    x = 939,984,596.78/40,449.88
  6. Step 6: Final answer
    x = 23,238.25

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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.