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Finding the Fourth Proportional to 6,535.88, 9,019.60 and 3,551.76

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Solution

The fourth proportional to 6,535.88, 9,019.60 and 3,551.76 is: 4,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.88 : 9,019.60 = 3,551.76 : x
  2. Step 2: Convert to fraction form
    6,535.88/9,019.60 = 3,551.76/x
  3. Step 3: Cross multiply
    6,535.88x = 9,019.60 × 3,551.76
  4. Step 4: Simplify right side
    6,535.88x = 32,035,445.62
  5. Step 5: Solve for x
    x = 32,035,445.62/6,535.88
  6. Step 6: Final answer
    x = 4,901.47

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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.