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Finding the Fourth Proportional to 63,605.80, 87,776.10 and 35,310.76

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Solution

The fourth proportional to 63,605.80, 87,776.10 and 35,310.76 is: 48,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.80 : 87,776.10 = 35,310.76 : x
  2. Step 2: Convert to fraction form
    63,605.80/87,776.10 = 35,310.76/x
  3. Step 3: Cross multiply
    63,605.80x = 87,776.10 × 35,310.76
  4. Step 4: Simplify right side
    63,605.80x = 3,099,440,800.84
  5. Step 5: Solve for x
    x = 3,099,440,800.84/63,605.80
  6. Step 6: Final answer
    x = 48,728.90

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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.