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Finding the Fourth Proportional to 7,018.03, 9,694.85 and 5,611.06

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Solution

The fourth proportional to 7,018.03, 9,694.85 and 5,611.06 is: 7,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.03 : 9,694.85 = 5,611.06 : x
  2. Step 2: Convert to fraction form
    7,018.03/9,694.85 = 5,611.06/x
  3. Step 3: Cross multiply
    7,018.03x = 9,694.85 × 5,611.06
  4. Step 4: Simplify right side
    7,018.03x = 54,398,385.04
  5. Step 5: Solve for x
    x = 54,398,385.04/7,018.03
  6. Step 6: Final answer
    x = 7,751.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.