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Finding the Fourth Proportional to 64,352.32, 96,493.40 and 19,367.12

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Solution

The fourth proportional to 64,352.32, 96,493.40 and 19,367.12 is: 29,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,352.32 : 96,493.40 = 19,367.12 : x
  2. Step 2: Convert to fraction form
    64,352.32/96,493.40 = 19,367.12/x
  3. Step 3: Cross multiply
    64,352.32x = 96,493.40 × 19,367.12
  4. Step 4: Simplify right side
    64,352.32x = 1,868,799,257.01
  5. Step 5: Solve for x
    x = 1,868,799,257.01/64,352.32
  6. Step 6: Final answer
    x = 29,040.12

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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.