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Finding the Fourth Proportional to 7,374.52, 11,054.42 and 4,089.08

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Solution

The fourth proportional to 7,374.52, 11,054.42 and 4,089.08 is: 6,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.52 : 11,054.42 = 4,089.08 : x
  2. Step 2: Convert to fraction form
    7,374.52/11,054.42 = 4,089.08/x
  3. Step 3: Cross multiply
    7,374.52x = 11,054.42 × 4,089.08
  4. Step 4: Simplify right side
    7,374.52x = 45,202,407.73
  5. Step 5: Solve for x
    x = 45,202,407.73/7,374.52
  6. Step 6: Final answer
    x = 6,129.54

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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.