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Finding the Fourth Proportional to 4,593.92, 6,887.04 and 1,856

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Solution

The fourth proportional to 4,593.92, 6,887.04 and 1,856 is: 2,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593.92 : 6,887.04 = 1,856 : x
  2. Step 2: Convert to fraction form
    4,593.92/6,887.04 = 1,856/x
  3. Step 3: Cross multiply
    4,593.92x = 6,887.04 × 1,856
  4. Step 4: Simplify right side
    4,593.92x = 12,782,346.24
  5. Step 5: Solve for x
    x = 12,782,346.24/4,593.92
  6. Step 6: Final answer
    x = 2,782.45

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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.