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Finding the Fourth Proportional to 27,171.60, 40,843.80 and 25,616.40

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Solution

The fourth proportional to 27,171.60, 40,843.80 and 25,616.40 is: 38,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.60 : 40,843.80 = 25,616.40 : x
  2. Step 2: Convert to fraction form
    27,171.60/40,843.80 = 25,616.40/x
  3. Step 3: Cross multiply
    27,171.60x = 40,843.80 × 25,616.40
  4. Step 4: Simplify right side
    27,171.60x = 1,046,271,118.32
  5. Step 5: Solve for x
    x = 1,046,271,118.32/27,171.60
  6. Step 6: Final answer
    x = 38,506.05

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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.