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Finding the Fourth Proportional to 6,535.92, 9,019.50 and 3,551.70

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Solution

The fourth proportional to 6,535.92, 9,019.50 and 3,551.70 is: 4,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.92 : 9,019.50 = 3,551.70 : x
  2. Step 2: Convert to fraction form
    6,535.92/9,019.50 = 3,551.70/x
  3. Step 3: Cross multiply
    6,535.92x = 9,019.50 × 3,551.70
  4. Step 4: Simplify right side
    6,535.92x = 32,034,558.15
  5. Step 5: Solve for x
    x = 32,034,558.15/6,535.92
  6. Step 6: Final answer
    x = 4,901.31

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1.5x scale

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.