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Finding the Fourth Proportional to 64,405.75, 88,863.10 and 37,175.17

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Solution

The fourth proportional to 64,405.75, 88,863.10 and 37,175.17 is: 51,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.75 : 88,863.10 = 37,175.17 : x
  2. Step 2: Convert to fraction form
    64,405.75/88,863.10 = 37,175.17/x
  3. Step 3: Cross multiply
    64,405.75x = 88,863.10 × 37,175.17
  4. Step 4: Simplify right side
    64,405.75x = 3,303,500,849.23
  5. Step 5: Solve for x
    x = 3,303,500,849.23/64,405.75
  6. Step 6: Final answer
    x = 51,292.02

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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.