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Finding the Fourth Proportional to 64,428.13, 96,619.04 and 22,296.78

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Solution

The fourth proportional to 64,428.13, 96,619.04 and 22,296.78 is: 33,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.13 : 96,619.04 = 22,296.78 : x
  2. Step 2: Convert to fraction form
    64,428.13/96,619.04 = 22,296.78/x
  3. Step 3: Cross multiply
    64,428.13x = 96,619.04 × 22,296.78
  4. Step 4: Simplify right side
    64,428.13x = 2,154,293,304.50
  5. Step 5: Solve for x
    x = 2,154,293,304.50/64,428.13
  6. Step 6: Final answer
    x = 33,437.15

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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.