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Finding the Fourth Proportional to 6,979, 10,470.04 and 2,300.45

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Solution

The fourth proportional to 6,979, 10,470.04 and 2,300.45 is: 3,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979 : 10,470.04 = 2,300.45 : x
  2. Step 2: Convert to fraction form
    6,979/10,470.04 = 2,300.45/x
  3. Step 3: Cross multiply
    6,979x = 10,470.04 × 2,300.45
  4. Step 4: Simplify right side
    6,979x = 24,085,803.52
  5. Step 5: Solve for x
    x = 24,085,803.52/6,979
  6. Step 6: Final answer
    x = 3,451.18

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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.