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Finding the Fourth Proportional to 3,953.77, 5,926.68 and 1,873.99

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Solution

The fourth proportional to 3,953.77, 5,926.68 and 1,873.99 is: 2,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.77 : 5,926.68 = 1,873.99 : x
  2. Step 2: Convert to fraction form
    3,953.77/5,926.68 = 1,873.99/x
  3. Step 3: Cross multiply
    3,953.77x = 5,926.68 × 1,873.99
  4. Step 4: Simplify right side
    3,953.77x = 11,106,521.69
  5. Step 5: Solve for x
    x = 11,106,521.69/3,953.77
  6. Step 6: Final answer
    x = 2,809.10

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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.