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Finding the Fourth Proportional to 5,298.39, 7,944.55 and 2,009.39

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Solution

The fourth proportional to 5,298.39, 7,944.55 and 2,009.39 is: 3,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.39 : 7,944.55 = 2,009.39 : x
  2. Step 2: Convert to fraction form
    5,298.39/7,944.55 = 2,009.39/x
  3. Step 3: Cross multiply
    5,298.39x = 7,944.55 × 2,009.39
  4. Step 4: Simplify right side
    5,298.39x = 15,963,654.58
  5. Step 5: Solve for x
    x = 15,963,654.58/5,298.39
  6. Step 6: Final answer
    x = 3,012.93

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1.5x scale

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.