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Finding the Fourth Proportional to 63,574.50, 95,378.76 and 22,021.50

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Solution

The fourth proportional to 63,574.50, 95,378.76 and 22,021.50 is: 33,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.50 : 95,378.76 = 22,021.50 : x
  2. Step 2: Convert to fraction form
    63,574.50/95,378.76 = 22,021.50/x
  3. Step 3: Cross multiply
    63,574.50x = 95,378.76 × 22,021.50
  4. Step 4: Simplify right side
    63,574.50x = 2,100,383,363.34
  5. Step 5: Solve for x
    x = 2,100,383,363.34/63,574.50
  6. Step 6: Final answer
    x = 33,038.14

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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.