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Finding the Fourth Proportional to 57,274.40, 85,933.20 and 27,718.40

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Solution

The fourth proportional to 57,274.40, 85,933.20 and 27,718.40 is: 41,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.40 : 85,933.20 = 27,718.40 : x
  2. Step 2: Convert to fraction form
    57,274.40/85,933.20 = 27,718.40/x
  3. Step 3: Cross multiply
    57,274.40x = 85,933.20 × 27,718.40
  4. Step 4: Simplify right side
    57,274.40x = 2,381,930,810.88
  5. Step 5: Solve for x
    x = 2,381,930,810.88/57,274.40
  6. Step 6: Final answer
    x = 41,588.05

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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.