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Finding the Fourth Proportional to 9,187.66, 13,759.53 and 5,021.44

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Solution

The fourth proportional to 9,187.66, 13,759.53 and 5,021.44 is: 7,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.66 : 13,759.53 = 5,021.44 : x
  2. Step 2: Convert to fraction form
    9,187.66/13,759.53 = 5,021.44/x
  3. Step 3: Cross multiply
    9,187.66x = 13,759.53 × 5,021.44
  4. Step 4: Simplify right side
    9,187.66x = 69,092,654.32
  5. Step 5: Solve for x
    x = 69,092,654.32/9,187.66
  6. Step 6: Final answer
    x = 7,520.16

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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.