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Finding the Fourth Proportional to 57,168.55, 85,752.87 and 23,870.47

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Solution

The fourth proportional to 57,168.55, 85,752.87 and 23,870.47 is: 35,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.55 : 85,752.87 = 23,870.47 : x
  2. Step 2: Convert to fraction form
    57,168.55/85,752.87 = 23,870.47/x
  3. Step 3: Cross multiply
    57,168.55x = 85,752.87 × 23,870.47
  4. Step 4: Simplify right side
    57,168.55x = 2,046,961,191.40
  5. Step 5: Solve for x
    x = 2,046,961,191.40/57,168.55
  6. Step 6: Final answer
    x = 35,805.72

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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.