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Finding the Fourth Proportional to 22,808.52, 31,475.52 and 13,375.26

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Solution

The fourth proportional to 22,808.52, 31,475.52 and 13,375.26 is: 18,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.52 : 31,475.52 = 13,375.26 : x
  2. Step 2: Convert to fraction form
    22,808.52/31,475.52 = 13,375.26/x
  3. Step 3: Cross multiply
    22,808.52x = 31,475.52 × 13,375.26
  4. Step 4: Simplify right side
    22,808.52x = 420,993,263.64
  5. Step 5: Solve for x
    x = 420,993,263.64/22,808.52
  6. Step 6: Final answer
    x = 18,457.72

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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.