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Finding the Fourth Proportional to 64,489.20, 96,675.48 and 22,926.48

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Solution

The fourth proportional to 64,489.20, 96,675.48 and 22,926.48 is: 34,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,489.20 : 96,675.48 = 22,926.48 : x
  2. Step 2: Convert to fraction form
    64,489.20/96,675.48 = 22,926.48/x
  3. Step 3: Cross multiply
    64,489.20x = 96,675.48 × 22,926.48
  4. Step 4: Simplify right side
    64,489.20x = 2,216,428,458.71
  5. Step 5: Solve for x
    x = 2,216,428,458.71/64,489.20
  6. Step 6: Final answer
    x = 34,368.99

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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.