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Finding the Fourth Proportional to 63,927, 95,908.73 and 21,816.45

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Solution

The fourth proportional to 63,927, 95,908.73 and 21,816.45 is: 32,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,927 : 95,908.73 = 21,816.45 : x
  2. Step 2: Convert to fraction form
    63,927/95,908.73 = 21,816.45/x
  3. Step 3: Cross multiply
    63,927x = 95,908.73 × 21,816.45
  4. Step 4: Simplify right side
    63,927x = 2,092,387,903.53
  5. Step 5: Solve for x
    x = 2,092,387,903.53/63,927
  6. Step 6: Final answer
    x = 32,730.89

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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.