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Finding the Fourth Proportional to 64,681.76, 96,998.45 and 22,551.03

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Solution

The fourth proportional to 64,681.76, 96,998.45 and 22,551.03 is: 33,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.76 : 96,998.45 = 22,551.03 : x
  2. Step 2: Convert to fraction form
    64,681.76/96,998.45 = 22,551.03/x
  3. Step 3: Cross multiply
    64,681.76x = 96,998.45 × 22,551.03
  4. Step 4: Simplify right side
    64,681.76x = 2,187,414,843.15
  5. Step 5: Solve for x
    x = 2,187,414,843.15/64,681.76
  6. Step 6: Final answer
    x = 33,818.11

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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.