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Finding the Fourth Proportional to 57,347.42, 86,021.12 and 33,691.10

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Solution

The fourth proportional to 57,347.42, 86,021.12 and 33,691.10 is: 50,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347.42 : 86,021.12 = 33,691.10 : x
  2. Step 2: Convert to fraction form
    57,347.42/86,021.12 = 33,691.10/x
  3. Step 3: Cross multiply
    57,347.42x = 86,021.12 × 33,691.10
  4. Step 4: Simplify right side
    57,347.42x = 2,898,145,810.15
  5. Step 5: Solve for x
    x = 2,898,145,810.15/57,347.42
  6. Step 6: Final answer
    x = 50,536.64

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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.