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Finding the Fourth Proportional to 63,199.57, 94,767.60 and 21,064.90

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Solution

The fourth proportional to 63,199.57, 94,767.60 and 21,064.90 is: 31,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,199.57 : 94,767.60 = 21,064.90 : x
  2. Step 2: Convert to fraction form
    63,199.57/94,767.60 = 21,064.90/x
  3. Step 3: Cross multiply
    63,199.57x = 94,767.60 × 21,064.90
  4. Step 4: Simplify right side
    63,199.57x = 1,996,270,017.24
  5. Step 5: Solve for x
    x = 1,996,270,017.24/63,199.57
  6. Step 6: Final answer
    x = 31,586.77

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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.