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Finding the Fourth Proportional to 64,318.67, 96,487.35 and 19,949.00

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Solution

The fourth proportional to 64,318.67, 96,487.35 and 19,949.00 is: 29,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.67 : 96,487.35 = 19,949.00 : x
  2. Step 2: Convert to fraction form
    64,318.67/96,487.35 = 19,949.00/x
  3. Step 3: Cross multiply
    64,318.67x = 96,487.35 × 19,949.00
  4. Step 4: Simplify right side
    64,318.67x = 1,924,826,242.86
  5. Step 5: Solve for x
    x = 1,924,826,242.86/64,318.67
  6. Step 6: Final answer
    x = 29,926.40

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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.