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Finding the Fourth Proportional to 1,856.99, 2,565.32 and 1,483.48

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Solution

The fourth proportional to 1,856.99, 2,565.32 and 1,483.48 is: 2,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.99 : 2,565.32 = 1,483.48 : x
  2. Step 2: Convert to fraction form
    1,856.99/2,565.32 = 1,483.48/x
  3. Step 3: Cross multiply
    1,856.99x = 2,565.32 × 1,483.48
  4. Step 4: Simplify right side
    1,856.99x = 3,805,600.91
  5. Step 5: Solve for x
    x = 3,805,600.91/1,856.99
  6. Step 6: Final answer
    x = 2,049.34

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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.