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Finding the Fourth Proportional to 7,226.82, 9,970.02 and 4,393.17

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Solution

The fourth proportional to 7,226.82, 9,970.02 and 4,393.17 is: 6,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.82 : 9,970.02 = 4,393.17 : x
  2. Step 2: Convert to fraction form
    7,226.82/9,970.02 = 4,393.17/x
  3. Step 3: Cross multiply
    7,226.82x = 9,970.02 × 4,393.17
  4. Step 4: Simplify right side
    7,226.82x = 43,799,992.76
  5. Step 5: Solve for x
    x = 43,799,992.76/7,226.82
  6. Step 6: Final answer
    x = 6,060.76

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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.