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Finding the Fourth Proportional to 27,041.60, 40,540.80 and 11,446.40

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Solution

The fourth proportional to 27,041.60, 40,540.80 and 11,446.40 is: 17,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041.60 : 40,540.80 = 11,446.40 : x
  2. Step 2: Convert to fraction form
    27,041.60/40,540.80 = 11,446.40/x
  3. Step 3: Cross multiply
    27,041.60x = 40,540.80 × 11,446.40
  4. Step 4: Simplify right side
    27,041.60x = 464,046,213.12
  5. Step 5: Solve for x
    x = 464,046,213.12/27,041.60
  6. Step 6: Final answer
    x = 17,160.46

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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.