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Finding the Fourth Proportional to 57,692.55, 86,531.52 and 18,253.65

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Solution

The fourth proportional to 57,692.55, 86,531.52 and 18,253.65 is: 27,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.55 : 86,531.52 = 18,253.65 : x
  2. Step 2: Convert to fraction form
    57,692.55/86,531.52 = 18,253.65/x
  3. Step 3: Cross multiply
    57,692.55x = 86,531.52 × 18,253.65
  4. Step 4: Simplify right side
    57,692.55x = 1,579,516,080.05
  5. Step 5: Solve for x
    x = 1,579,516,080.05/57,692.55
  6. Step 6: Final answer
    x = 27,378.16

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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.