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Finding the Fourth Proportional to 57,699.73, 79,575.78 and 37,549.36

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Solution

The fourth proportional to 57,699.73, 79,575.78 and 37,549.36 is: 51,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.73 : 79,575.78 = 37,549.36 : x
  2. Step 2: Convert to fraction form
    57,699.73/79,575.78 = 37,549.36/x
  3. Step 3: Cross multiply
    57,699.73x = 79,575.78 × 37,549.36
  4. Step 4: Simplify right side
    57,699.73x = 2,988,019,610.50
  5. Step 5: Solve for x
    x = 2,988,019,610.50/57,699.73
  6. Step 6: Final answer
    x = 51,785.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.