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Finding the Fourth Proportional to 1,944.01, 2,930.63 and 1,788.49

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Solution

The fourth proportional to 1,944.01, 2,930.63 and 1,788.49 is: 2,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.01 : 2,930.63 = 1,788.49 : x
  2. Step 2: Convert to fraction form
    1,944.01/2,930.63 = 1,788.49/x
  3. Step 3: Cross multiply
    1,944.01x = 2,930.63 × 1,788.49
  4. Step 4: Simplify right side
    1,944.01x = 5,241,402.45
  5. Step 5: Solve for x
    x = 5,241,402.45/1,944.01
  6. Step 6: Final answer
    x = 2,696.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.