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Finding the Fourth Proportional to 5,888.76, 8,126.78 and 3,651.81

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Solution

The fourth proportional to 5,888.76, 8,126.78 and 3,651.81 is: 5,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.76 : 8,126.78 = 3,651.81 : x
  2. Step 2: Convert to fraction form
    5,888.76/8,126.78 = 3,651.81/x
  3. Step 3: Cross multiply
    5,888.76x = 8,126.78 × 3,651.81
  4. Step 4: Simplify right side
    5,888.76x = 29,677,438.21
  5. Step 5: Solve for x
    x = 29,677,438.21/5,888.76
  6. Step 6: Final answer
    x = 5,039.68

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Half scale
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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.