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Finding the Fourth Proportional to 64,673.91, 96,986.61 and 22,543.16

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Solution

The fourth proportional to 64,673.91, 96,986.61 and 22,543.16 is: 33,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673.91 : 96,986.61 = 22,543.16 : x
  2. Step 2: Convert to fraction form
    64,673.91/96,986.61 = 22,543.16/x
  3. Step 3: Cross multiply
    64,673.91x = 96,986.61 × 22,543.16
  4. Step 4: Simplify right side
    64,673.91x = 2,186,384,182.15
  5. Step 5: Solve for x
    x = 2,186,384,182.15/64,673.91
  6. Step 6: Final answer
    x = 33,806.28

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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.