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Finding the Fourth Proportional to 75,756.52, 104,544.24 and 45,559.24

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Solution

The fourth proportional to 75,756.52, 104,544.24 and 45,559.24 is: 62,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.52 : 104,544.24 = 45,559.24 : x
  2. Step 2: Convert to fraction form
    75,756.52/104,544.24 = 45,559.24/x
  3. Step 3: Cross multiply
    75,756.52x = 104,544.24 × 45,559.24
  4. Step 4: Simplify right side
    75,756.52x = 4,762,956,120.78
  5. Step 5: Solve for x
    x = 4,762,956,120.78/75,756.52
  6. Step 6: Final answer
    x = 62,871.90

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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.