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Finding the Fourth Proportional to 70,667.22, 97,520.43 and 40,452.39

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Solution

The fourth proportional to 70,667.22, 97,520.43 and 40,452.39 is: 55,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,667.22 : 97,520.43 = 40,452.39 : x
  2. Step 2: Convert to fraction form
    70,667.22/97,520.43 = 40,452.39/x
  3. Step 3: Cross multiply
    70,667.22x = 97,520.43 × 40,452.39
  4. Step 4: Simplify right side
    70,667.22x = 3,944,934,467.33
  5. Step 5: Solve for x
    x = 3,944,934,467.33/70,667.22
  6. Step 6: Final answer
    x = 55,824.11

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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.