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Finding the Fourth Proportional to 64,382.69, 88,848.32 and 35,704.40

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Solution

The fourth proportional to 64,382.69, 88,848.32 and 35,704.40 is: 49,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,382.69 : 88,848.32 = 35,704.40 : x
  2. Step 2: Convert to fraction form
    64,382.69/88,848.32 = 35,704.40/x
  3. Step 3: Cross multiply
    64,382.69x = 88,848.32 × 35,704.40
  4. Step 4: Simplify right side
    64,382.69x = 3,172,275,333.84
  5. Step 5: Solve for x
    x = 3,172,275,333.84/64,382.69
  6. Step 6: Final answer
    x = 49,272.18

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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.