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Finding the Fourth Proportional to 64,218.26, 96,300.28 and 19,246

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Solution

The fourth proportional to 64,218.26, 96,300.28 and 19,246 is: 28,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,218.26 : 96,300.28 = 19,246 : x
  2. Step 2: Convert to fraction form
    64,218.26/96,300.28 = 19,246/x
  3. Step 3: Cross multiply
    64,218.26x = 96,300.28 × 19,246
  4. Step 4: Simplify right side
    64,218.26x = 1,853,395,188.88
  5. Step 5: Solve for x
    x = 1,853,395,188.88/64,218.26
  6. Step 6: Final answer
    x = 28,860.88

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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.