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Finding the Fourth Proportional to 7,382.01, 11,071.97 and 2,117.47

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Solution

The fourth proportional to 7,382.01, 11,071.97 and 2,117.47 is: 3,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.01 : 11,071.97 = 2,117.47 : x
  2. Step 2: Convert to fraction form
    7,382.01/11,071.97 = 2,117.47/x
  3. Step 3: Cross multiply
    7,382.01x = 11,071.97 × 2,117.47
  4. Step 4: Simplify right side
    7,382.01x = 23,444,564.32
  5. Step 5: Solve for x
    x = 23,444,564.32/7,382.01
  6. Step 6: Final answer
    x = 3,175.91

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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.