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Finding the Fourth Proportional to 64,416.78, 88,850.19 and 62,249.22

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Solution

The fourth proportional to 64,416.78, 88,850.19 and 62,249.22 is: 85,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.78 : 88,850.19 = 62,249.22 : x
  2. Step 2: Convert to fraction form
    64,416.78/88,850.19 = 62,249.22/x
  3. Step 3: Cross multiply
    64,416.78x = 88,850.19 × 62,249.22
  4. Step 4: Simplify right side
    64,416.78x = 5,530,855,024.35
  5. Step 5: Solve for x
    x = 5,530,855,024.35/64,416.78
  6. Step 6: Final answer
    x = 85,860.47

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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.