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Finding the Fourth Proportional to 64,467.78, 88,967.07 and 36,175.56

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Solution

The fourth proportional to 64,467.78, 88,967.07 and 36,175.56 is: 49,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.78 : 88,967.07 = 36,175.56 : x
  2. Step 2: Convert to fraction form
    64,467.78/88,967.07 = 36,175.56/x
  3. Step 3: Cross multiply
    64,467.78x = 88,967.07 × 36,175.56
  4. Step 4: Simplify right side
    64,467.78x = 3,218,433,578.81
  5. Step 5: Solve for x
    x = 3,218,433,578.81/64,467.78
  6. Step 6: Final answer
    x = 49,923.13

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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.