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Finding the Fourth Proportional to 57,356.88, 85,969.08 and 22,266.78

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Solution

The fourth proportional to 57,356.88, 85,969.08 and 22,266.78 is: 33,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.88 : 85,969.08 = 22,266.78 : x
  2. Step 2: Convert to fraction form
    57,356.88/85,969.08 = 22,266.78/x
  3. Step 3: Cross multiply
    57,356.88x = 85,969.08 × 22,266.78
  4. Step 4: Simplify right side
    57,356.88x = 1,914,254,591.16
  5. Step 5: Solve for x
    x = 1,914,254,591.16/57,356.88
  6. Step 6: Final answer
    x = 33,374.45

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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.