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Finding the Fourth Proportional to 57,788.55, 79,757.34 and 35,134.65

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Solution

The fourth proportional to 57,788.55, 79,757.34 and 35,134.65 is: 48,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.55 : 79,757.34 = 35,134.65 : x
  2. Step 2: Convert to fraction form
    57,788.55/79,757.34 = 35,134.65/x
  3. Step 3: Cross multiply
    57,788.55x = 79,757.34 × 35,134.65
  4. Step 4: Simplify right side
    57,788.55x = 2,802,246,225.83
  5. Step 5: Solve for x
    x = 2,802,246,225.83/57,788.55
  6. Step 6: Final answer
    x = 48,491.37

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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.