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Finding the Fourth Proportional to 63,021.84, 94,506.02 and 18,636.67

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Solution

The fourth proportional to 63,021.84, 94,506.02 and 18,636.67 is: 27,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.84 : 94,506.02 = 18,636.67 : x
  2. Step 2: Convert to fraction form
    63,021.84/94,506.02 = 18,636.67/x
  3. Step 3: Cross multiply
    63,021.84x = 94,506.02 × 18,636.67
  4. Step 4: Simplify right side
    63,021.84x = 1,761,277,507.75
  5. Step 5: Solve for x
    x = 1,761,277,507.75/63,021.84
  6. Step 6: Final answer
    x = 27,947.10

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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.