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Finding the Fourth Proportional to 2,976.71, 4,465.04 and 1,807.04

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Solution

The fourth proportional to 2,976.71, 4,465.04 and 1,807.04 is: 2,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.71 : 4,465.04 = 1,807.04 : x
  2. Step 2: Convert to fraction form
    2,976.71/4,465.04 = 1,807.04/x
  3. Step 3: Cross multiply
    2,976.71x = 4,465.04 × 1,807.04
  4. Step 4: Simplify right side
    2,976.71x = 8,068,514.88
  5. Step 5: Solve for x
    x = 8,068,514.88/2,976.71
  6. Step 6: Final answer
    x = 2,710.54

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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.