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Finding the Fourth Proportional to 7,226.93, 9,981.39 and 4,864.97

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Solution

The fourth proportional to 7,226.93, 9,981.39 and 4,864.97 is: 6,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.93 : 9,981.39 = 4,864.97 : x
  2. Step 2: Convert to fraction form
    7,226.93/9,981.39 = 4,864.97/x
  3. Step 3: Cross multiply
    7,226.93x = 9,981.39 × 4,864.97
  4. Step 4: Simplify right side
    7,226.93x = 48,559,162.91
  5. Step 5: Solve for x
    x = 48,559,162.91/7,226.93
  6. Step 6: Final answer
    x = 6,719.20

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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.