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Finding the Fourth Proportional to 23,410.80, 32,310 and 13,342.88

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Solution

The fourth proportional to 23,410.80, 32,310 and 13,342.88 is: 18,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,410.80 : 32,310 = 13,342.88 : x
  2. Step 2: Convert to fraction form
    23,410.80/32,310 = 13,342.88/x
  3. Step 3: Cross multiply
    23,410.80x = 32,310 × 13,342.88
  4. Step 4: Simplify right side
    23,410.80x = 431,108,452.80
  5. Step 5: Solve for x
    x = 431,108,452.80/23,410.80
  6. Step 6: Final answer
    x = 18,414.94

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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.