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Finding the Fourth Proportional to 22,247.84, 30,695.04 and 13,291.04

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Solution

The fourth proportional to 22,247.84, 30,695.04 and 13,291.04 is: 18,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.84 : 30,695.04 = 13,291.04 : x
  2. Step 2: Convert to fraction form
    22,247.84/30,695.04 = 13,291.04/x
  3. Step 3: Cross multiply
    22,247.84x = 30,695.04 × 13,291.04
  4. Step 4: Simplify right side
    22,247.84x = 407,969,004.44
  5. Step 5: Solve for x
    x = 407,969,004.44/22,247.84
  6. Step 6: Final answer
    x = 18,337.47

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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.