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Finding the Fourth Proportional to 1,784.92, 2,463.36 and 999.04

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Solution

The fourth proportional to 1,784.92, 2,463.36 and 999.04 is: 1,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.92 : 2,463.36 = 999.04 : x
  2. Step 2: Convert to fraction form
    1,784.92/2,463.36 = 999.04/x
  3. Step 3: Cross multiply
    1,784.92x = 2,463.36 × 999.04
  4. Step 4: Simplify right side
    1,784.92x = 2,460,995.17
  5. Step 5: Solve for x
    x = 2,460,995.17/1,784.92
  6. Step 6: Final answer
    x = 1,378.77

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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.