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Finding the Fourth Proportional to 57,003.66, 85,521.15 and 23,739.30

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Solution

The fourth proportional to 57,003.66, 85,521.15 and 23,739.30 is: 35,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.66 : 85,521.15 = 23,739.30 : x
  2. Step 2: Convert to fraction form
    57,003.66/85,521.15 = 23,739.30/x
  3. Step 3: Cross multiply
    57,003.66x = 85,521.15 × 23,739.30
  4. Step 4: Simplify right side
    57,003.66x = 2,030,212,236.20
  5. Step 5: Solve for x
    x = 2,030,212,236.20/57,003.66
  6. Step 6: Final answer
    x = 35,615.47

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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.