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Finding the Fourth Proportional to 7,913.62, 11,870.41 and 2,366.97

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Solution

The fourth proportional to 7,913.62, 11,870.41 and 2,366.97 is: 3,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.62 : 11,870.41 = 2,366.97 : x
  2. Step 2: Convert to fraction form
    7,913.62/11,870.41 = 2,366.97/x
  3. Step 3: Cross multiply
    7,913.62x = 11,870.41 × 2,366.97
  4. Step 4: Simplify right side
    7,913.62x = 28,096,904.36
  5. Step 5: Solve for x
    x = 28,096,904.36/7,913.62
  6. Step 6: Final answer
    x = 3,550.45

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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.