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Finding the Fourth Proportional to 64,663.93, 96,990.12 and 22,536.84

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Solution

The fourth proportional to 64,663.93, 96,990.12 and 22,536.84 is: 33,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.93 : 96,990.12 = 22,536.84 : x
  2. Step 2: Convert to fraction form
    64,663.93/96,990.12 = 22,536.84/x
  3. Step 3: Cross multiply
    64,663.93x = 96,990.12 × 22,536.84
  4. Step 4: Simplify right side
    64,663.93x = 2,185,851,179.73
  5. Step 5: Solve for x
    x = 2,185,851,179.73/64,663.93
  6. Step 6: Final answer
    x = 33,803.25

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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.