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Finding the Fourth Proportional to 57,149.82, 85,730.40 and 23,880.29

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Solution

The fourth proportional to 57,149.82, 85,730.40 and 23,880.29 is: 35,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149.82 : 85,730.40 = 23,880.29 : x
  2. Step 2: Convert to fraction form
    57,149.82/85,730.40 = 23,880.29/x
  3. Step 3: Cross multiply
    57,149.82x = 85,730.40 × 23,880.29
  4. Step 4: Simplify right side
    57,149.82x = 2,047,266,385.16
  5. Step 5: Solve for x
    x = 2,047,266,385.16/57,149.82
  6. Step 6: Final answer
    x = 35,822.80

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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.