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Finding the Fourth Proportional to 6,539.52, 9,019.44 and 5,424.96

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Solution

The fourth proportional to 6,539.52, 9,019.44 and 5,424.96 is: 7,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.52 : 9,019.44 = 5,424.96 : x
  2. Step 2: Convert to fraction form
    6,539.52/9,019.44 = 5,424.96/x
  3. Step 3: Cross multiply
    6,539.52x = 9,019.44 × 5,424.96
  4. Step 4: Simplify right side
    6,539.52x = 48,930,101.22
  5. Step 5: Solve for x
    x = 48,930,101.22/6,539.52
  6. Step 6: Final answer
    x = 7,482.22

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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.