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Finding the Fourth Proportional to 7,435.24, 11,149.02 and 3,927.12

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Solution

The fourth proportional to 7,435.24, 11,149.02 and 3,927.12 is: 5,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.24 : 11,149.02 = 3,927.12 : x
  2. Step 2: Convert to fraction form
    7,435.24/11,149.02 = 3,927.12/x
  3. Step 3: Cross multiply
    7,435.24x = 11,149.02 × 3,927.12
  4. Step 4: Simplify right side
    7,435.24x = 43,783,539.42
  5. Step 5: Solve for x
    x = 43,783,539.42/7,435.24
  6. Step 6: Final answer
    x = 5,888.65

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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.