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Finding the Fourth Proportional to 15,250.42, 22,859.22 and 9,968.81

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Solution

The fourth proportional to 15,250.42, 22,859.22 and 9,968.81 is: 14,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.42 : 22,859.22 = 9,968.81 : x
  2. Step 2: Convert to fraction form
    15,250.42/22,859.22 = 9,968.81/x
  3. Step 3: Cross multiply
    15,250.42x = 22,859.22 × 9,968.81
  4. Step 4: Simplify right side
    15,250.42x = 227,879,220.93
  5. Step 5: Solve for x
    x = 227,879,220.93/15,250.42
  6. Step 6: Final answer
    x = 14,942.49

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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.