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Finding the Fourth Proportional to 3,853.29, 5,775.89 and 1,875.99

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Solution

The fourth proportional to 3,853.29, 5,775.89 and 1,875.99 is: 2,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.29 : 5,775.89 = 1,875.99 : x
  2. Step 2: Convert to fraction form
    3,853.29/5,775.89 = 1,875.99/x
  3. Step 3: Cross multiply
    3,853.29x = 5,775.89 × 1,875.99
  4. Step 4: Simplify right side
    3,853.29x = 10,835,502.50
  5. Step 5: Solve for x
    x = 10,835,502.50/3,853.29
  6. Step 6: Final answer
    x = 2,812.01

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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.