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Finding the Fourth Proportional to 64,217.66, 88,619.04 and 35,537.30

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Solution

The fourth proportional to 64,217.66, 88,619.04 and 35,537.30 is: 49,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.66 : 88,619.04 = 35,537.30 : x
  2. Step 2: Convert to fraction form
    64,217.66/88,619.04 = 35,537.30/x
  3. Step 3: Cross multiply
    64,217.66x = 88,619.04 × 35,537.30
  4. Step 4: Simplify right side
    64,217.66x = 3,149,280,967.10
  5. Step 5: Solve for x
    x = 3,149,280,967.10/64,217.66
  6. Step 6: Final answer
    x = 49,040.73

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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.