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Finding the Fourth Proportional to 7,344.72, 11,017.08 and 2,152.08

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Solution

The fourth proportional to 7,344.72, 11,017.08 and 2,152.08 is: 3,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.72 : 11,017.08 = 2,152.08 : x
  2. Step 2: Convert to fraction form
    7,344.72/11,017.08 = 2,152.08/x
  3. Step 3: Cross multiply
    7,344.72x = 11,017.08 × 2,152.08
  4. Step 4: Simplify right side
    7,344.72x = 23,709,637.53
  5. Step 5: Solve for x
    x = 23,709,637.53/7,344.72
  6. Step 6: Final answer
    x = 3,228.12

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Similar ratio
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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.