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Finding the Fourth Proportional to 64,234.62, 88,646.16 and 35,940.51

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Solution

The fourth proportional to 64,234.62, 88,646.16 and 35,940.51 is: 49,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.62 : 88,646.16 = 35,940.51 : x
  2. Step 2: Convert to fraction form
    64,234.62/88,646.16 = 35,940.51/x
  3. Step 3: Cross multiply
    64,234.62x = 88,646.16 × 35,940.51
  4. Step 4: Simplify right side
    64,234.62x = 3,185,988,199.94
  5. Step 5: Solve for x
    x = 3,185,988,199.94/64,234.62
  6. Step 6: Final answer
    x = 49,599.24

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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.