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Finding the Fourth Proportional to 1,954,744.92, 2,695,948.60 and 1,375,884.32

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Solution

The fourth proportional to 1,954,744.92, 2,695,948.60 and 1,375,884.32 is: 1,897,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,744.92 : 2,695,948.60 = 1,375,884.32 : x
  2. Step 2: Convert to fraction form
    1,954,744.92/2,695,948.60 = 1,375,884.32/x
  3. Step 3: Cross multiply
    1,954,744.92x = 2,695,948.60 × 1,375,884.32
  4. Step 4: Simplify right side
    1,954,744.92x = 3,709,313,406,265.95
  5. Step 5: Solve for x
    x = 3,709,313,406,265.95/1,954,744.92
  6. Step 6: Final answer
    x = 1,897,594.60

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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.