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Finding the Fourth Proportional to 3,632.76, 5,449.14 and 1,904.76

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Solution

The fourth proportional to 3,632.76, 5,449.14 and 1,904.76 is: 2,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.76 : 5,449.14 = 1,904.76 : x
  2. Step 2: Convert to fraction form
    3,632.76/5,449.14 = 1,904.76/x
  3. Step 3: Cross multiply
    3,632.76x = 5,449.14 × 1,904.76
  4. Step 4: Simplify right side
    3,632.76x = 10,379,303.91
  5. Step 5: Solve for x
    x = 10,379,303.91/3,632.76
  6. Step 6: Final answer
    x = 2,857.14

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1.5x scale

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.