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Finding the Fourth Proportional to 63,000.21, 86,936.15 and 34,705.89

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Solution

The fourth proportional to 63,000.21, 86,936.15 and 34,705.89 is: 47,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,000.21 : 86,936.15 = 34,705.89 : x
  2. Step 2: Convert to fraction form
    63,000.21/86,936.15 = 34,705.89/x
  3. Step 3: Cross multiply
    63,000.21x = 86,936.15 × 34,705.89
  4. Step 4: Simplify right side
    63,000.21x = 3,017,196,458.92
  5. Step 5: Solve for x
    x = 3,017,196,458.92/63,000.21
  6. Step 6: Final answer
    x = 47,891.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.