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Finding the Fourth Proportional to 3,470.03, 4,788.70 and 1,898.22

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Solution

The fourth proportional to 3,470.03, 4,788.70 and 1,898.22 is: 2,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.03 : 4,788.70 = 1,898.22 : x
  2. Step 2: Convert to fraction form
    3,470.03/4,788.70 = 1,898.22/x
  3. Step 3: Cross multiply
    3,470.03x = 4,788.70 × 1,898.22
  4. Step 4: Simplify right side
    3,470.03x = 9,090,006.11
  5. Step 5: Solve for x
    x = 9,090,006.11/3,470.03
  6. Step 6: Final answer
    x = 2,619.58

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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.