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Finding the Fourth Proportional to 73,816.53, 110,757.33 and 38,748.12

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Solution

The fourth proportional to 73,816.53, 110,757.33 and 38,748.12 is: 58,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.53 : 110,757.33 = 38,748.12 : x
  2. Step 2: Convert to fraction form
    73,816.53/110,757.33 = 38,748.12/x
  3. Step 3: Cross multiply
    73,816.53x = 110,757.33 × 38,748.12
  4. Step 4: Simplify right side
    73,816.53x = 4,291,638,313.72
  5. Step 5: Solve for x
    x = 4,291,638,313.72/73,816.53
  6. Step 6: Final answer
    x = 58,139.26

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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.