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Finding the Fourth Proportional to 1,856.82, 2,562.36 and 1,070.94

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Solution

The fourth proportional to 1,856.82, 2,562.36 and 1,070.94 is: 1,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.82 : 2,562.36 = 1,070.94 : x
  2. Step 2: Convert to fraction form
    1,856.82/2,562.36 = 1,070.94/x
  3. Step 3: Cross multiply
    1,856.82x = 2,562.36 × 1,070.94
  4. Step 4: Simplify right side
    1,856.82x = 2,744,133.82
  5. Step 5: Solve for x
    x = 2,744,133.82/1,856.82
  6. Step 6: Final answer
    x = 1,477.87

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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.