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Finding the Fourth Proportional to 12,444, 17,180.46 and 8,570.04

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Solution

The fourth proportional to 12,444, 17,180.46 and 8,570.04 is: 11,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444 : 17,180.46 = 8,570.04 : x
  2. Step 2: Convert to fraction form
    12,444/17,180.46 = 8,570.04/x
  3. Step 3: Cross multiply
    12,444x = 17,180.46 × 8,570.04
  4. Step 4: Simplify right side
    12,444x = 147,237,229.42
  5. Step 5: Solve for x
    x = 147,237,229.42/12,444
  6. Step 6: Final answer
    x = 11,831.99

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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.