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Finding the Fourth Proportional to 7,326.79, 10,990.10 and 2,944.17

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Solution

The fourth proportional to 7,326.79, 10,990.10 and 2,944.17 is: 4,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.79 : 10,990.10 = 2,944.17 : x
  2. Step 2: Convert to fraction form
    7,326.79/10,990.10 = 2,944.17/x
  3. Step 3: Cross multiply
    7,326.79x = 10,990.10 × 2,944.17
  4. Step 4: Simplify right side
    7,326.79x = 32,356,730.08
  5. Step 5: Solve for x
    x = 32,356,730.08/7,326.79
  6. Step 6: Final answer
    x = 4,416.22

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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.