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Finding the Fourth Proportional to 7,345.94, 11,017.28 and 2,152.22

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Solution

The fourth proportional to 7,345.94, 11,017.28 and 2,152.22 is: 3,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.94 : 11,017.28 = 2,152.22 : x
  2. Step 2: Convert to fraction form
    7,345.94/11,017.28 = 2,152.22/x
  3. Step 3: Cross multiply
    7,345.94x = 11,017.28 × 2,152.22
  4. Step 4: Simplify right side
    7,345.94x = 23,711,610.36
  5. Step 5: Solve for x
    x = 23,711,610.36/7,345.94
  6. Step 6: Final answer
    x = 3,227.85

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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.