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Finding the Fourth Proportional to 63,661.72, 95,502.90 and 21,544.40

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Solution

The fourth proportional to 63,661.72, 95,502.90 and 21,544.40 is: 32,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.72 : 95,502.90 = 21,544.40 : x
  2. Step 2: Convert to fraction form
    63,661.72/95,502.90 = 21,544.40/x
  3. Step 3: Cross multiply
    63,661.72x = 95,502.90 × 21,544.40
  4. Step 4: Simplify right side
    63,661.72x = 2,057,552,678.76
  5. Step 5: Solve for x
    x = 2,057,552,678.76/63,661.72
  6. Step 6: Final answer
    x = 32,320.09

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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.