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Finding the Fourth Proportional to 64,660.50, 96,979.71 and 17,902.44

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Solution

The fourth proportional to 64,660.50, 96,979.71 and 17,902.44 is: 26,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,660.50 : 96,979.71 = 17,902.44 : x
  2. Step 2: Convert to fraction form
    64,660.50/96,979.71 = 17,902.44/x
  3. Step 3: Cross multiply
    64,660.50x = 96,979.71 × 17,902.44
  4. Step 4: Simplify right side
    64,660.50x = 1,736,173,439.49
  5. Step 5: Solve for x
    x = 1,736,173,439.49/64,660.50
  6. Step 6: Final answer
    x = 26,850.60

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1.5x scale

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.