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Finding the Fourth Proportional to 7,347.16, 11,006.16 and 3,439.72

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Solution

The fourth proportional to 7,347.16, 11,006.16 and 3,439.72 is: 5,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.16 : 11,006.16 = 3,439.72 : x
  2. Step 2: Convert to fraction form
    7,347.16/11,006.16 = 3,439.72/x
  3. Step 3: Cross multiply
    7,347.16x = 11,006.16 × 3,439.72
  4. Step 4: Simplify right side
    7,347.16x = 37,858,108.68
  5. Step 5: Solve for x
    x = 37,858,108.68/7,347.16
  6. Step 6: Final answer
    x = 5,152.75

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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.