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Finding the Fourth Proportional to 6,535.54, 9,783.87 and 3,930.58

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Solution

The fourth proportional to 6,535.54, 9,783.87 and 3,930.58 is: 5,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.54 : 9,783.87 = 3,930.58 : x
  2. Step 2: Convert to fraction form
    6,535.54/9,783.87 = 3,930.58/x
  3. Step 3: Cross multiply
    6,535.54x = 9,783.87 × 3,930.58
  4. Step 4: Simplify right side
    6,535.54x = 38,456,283.74
  5. Step 5: Solve for x
    x = 38,456,283.74/6,535.54
  6. Step 6: Final answer
    x = 5,884.18

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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.