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Finding the Fourth Proportional to 17,867.60, 26,801.40 and 17,560.40

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Solution

The fourth proportional to 17,867.60, 26,801.40 and 17,560.40 is: 26,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.60 : 26,801.40 = 17,560.40 : x
  2. Step 2: Convert to fraction form
    17,867.60/26,801.40 = 17,560.40/x
  3. Step 3: Cross multiply
    17,867.60x = 26,801.40 × 17,560.40
  4. Step 4: Simplify right side
    17,867.60x = 470,643,304.56
  5. Step 5: Solve for x
    x = 470,643,304.56/17,867.60
  6. Step 6: Final answer
    x = 26,340.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.