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Finding the Fourth Proportional to 57,297.75, 85,968.54 and 22,240.14

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Solution

The fourth proportional to 57,297.75, 85,968.54 and 22,240.14 is: 33,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.75 : 85,968.54 = 22,240.14 : x
  2. Step 2: Convert to fraction form
    57,297.75/85,968.54 = 22,240.14/x
  3. Step 3: Cross multiply
    57,297.75x = 85,968.54 × 22,240.14
  4. Step 4: Simplify right side
    57,297.75x = 1,911,952,365.20
  5. Step 5: Solve for x
    x = 1,911,952,365.20/57,297.75
  6. Step 6: Final answer
    x = 33,368.72

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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.