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Finding the Fourth Proportional to 64,932.65, 97,403.30 and 22,807.61

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Solution

The fourth proportional to 64,932.65, 97,403.30 and 22,807.61 is: 34,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932.65 : 97,403.30 = 22,807.61 : x
  2. Step 2: Convert to fraction form
    64,932.65/97,403.30 = 22,807.61/x
  3. Step 3: Cross multiply
    64,932.65x = 97,403.30 × 22,807.61
  4. Step 4: Simplify right side
    64,932.65x = 2,221,536,479.11
  5. Step 5: Solve for x
    x = 2,221,536,479.11/64,932.65
  6. Step 6: Final answer
    x = 34,212.93

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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.