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Finding the Fourth Proportional to 57,092.40, 85,715.55 and 33,424.20

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Solution

The fourth proportional to 57,092.40, 85,715.55 and 33,424.20 is: 50,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.40 : 85,715.55 = 33,424.20 : x
  2. Step 2: Convert to fraction form
    57,092.40/85,715.55 = 33,424.20/x
  3. Step 3: Cross multiply
    57,092.40x = 85,715.55 × 33,424.20
  4. Step 4: Simplify right side
    57,092.40x = 2,864,973,686.31
  5. Step 5: Solve for x
    x = 2,864,973,686.31/57,092.40
  6. Step 6: Final answer
    x = 50,181.35

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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.