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Finding the Fourth Proportional to 79,473.69, 109,667.39 and 45,474.39

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Solution

The fourth proportional to 79,473.69, 109,667.39 and 45,474.39 is: 62,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,473.69 : 109,667.39 = 45,474.39 : x
  2. Step 2: Convert to fraction form
    79,473.69/109,667.39 = 45,474.39/x
  3. Step 3: Cross multiply
    79,473.69x = 109,667.39 × 45,474.39
  4. Step 4: Simplify right side
    79,473.69x = 4,987,057,435.77
  5. Step 5: Solve for x
    x = 4,987,057,435.77/79,473.69
  6. Step 6: Final answer
    x = 62,751.05

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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.