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Finding the Fourth Proportional to 64,332.38, 96,493.95 and 19,958.00

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Solution

The fourth proportional to 64,332.38, 96,493.95 and 19,958.00 is: 29,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,332.38 : 96,493.95 = 19,958.00 : x
  2. Step 2: Convert to fraction form
    64,332.38/96,493.95 = 19,958.00/x
  3. Step 3: Cross multiply
    64,332.38x = 96,493.95 × 19,958.00
  4. Step 4: Simplify right side
    64,332.38x = 1,925,825,771.63
  5. Step 5: Solve for x
    x = 1,925,825,771.63/64,332.38
  6. Step 6: Final answer
    x = 29,935.56

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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.