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Finding the Fourth Proportional to 64,382.90, 96,567.87 and 17,642.66

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Solution

The fourth proportional to 64,382.90, 96,567.87 and 17,642.66 is: 26,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,382.90 : 96,567.87 = 17,642.66 : x
  2. Step 2: Convert to fraction form
    64,382.90/96,567.87 = 17,642.66/x
  3. Step 3: Cross multiply
    64,382.90x = 96,567.87 × 17,642.66
  4. Step 4: Simplify right side
    64,382.90x = 1,703,714,097.33
  5. Step 5: Solve for x
    x = 1,703,714,097.33/64,382.90
  6. Step 6: Final answer
    x = 26,462.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.