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Finding the Fourth Proportional to 64,288.40, 96,367.80 and 29,253.20

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Solution

The fourth proportional to 64,288.40, 96,367.80 and 29,253.20 is: 43,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,288.40 : 96,367.80 = 29,253.20 : x
  2. Step 2: Convert to fraction form
    64,288.40/96,367.80 = 29,253.20/x
  3. Step 3: Cross multiply
    64,288.40x = 96,367.80 × 29,253.20
  4. Step 4: Simplify right side
    64,288.40x = 2,819,066,526.96
  5. Step 5: Solve for x
    x = 2,819,066,526.96/64,288.40
  6. Step 6: Final answer
    x = 43,850.31

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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.