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Finding the Fourth Proportional to 18,246.60, 25,023.24 and 17,489.16

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Solution

The fourth proportional to 18,246.60, 25,023.24 and 17,489.16 is: 23,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.60 : 25,023.24 = 17,489.16 : x
  2. Step 2: Convert to fraction form
    18,246.60/25,023.24 = 17,489.16/x
  3. Step 3: Cross multiply
    18,246.60x = 25,023.24 × 17,489.16
  4. Step 4: Simplify right side
    18,246.60x = 437,635,448.08
  5. Step 5: Solve for x
    x = 437,635,448.08/18,246.60
  6. Step 6: Final answer
    x = 23,984.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.