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Finding the Fourth Proportional to 7,349.16, 11,009.16 and 3,441.72

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Solution

The fourth proportional to 7,349.16, 11,009.16 and 3,441.72 is: 5,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.16 : 11,009.16 = 3,441.72 : x
  2. Step 2: Convert to fraction form
    7,349.16/11,009.16 = 3,441.72/x
  3. Step 3: Cross multiply
    7,349.16x = 11,009.16 × 3,441.72
  4. Step 4: Simplify right side
    7,349.16x = 37,890,446.16
  5. Step 5: Solve for x
    x = 37,890,446.16/7,349.16
  6. Step 6: Final answer
    x = 5,155.75

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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.