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Finding the Fourth Proportional to 4,653.68, 6,981.60 and 1,366.64

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Solution

The fourth proportional to 4,653.68, 6,981.60 and 1,366.64 is: 2,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.68 : 6,981.60 = 1,366.64 : x
  2. Step 2: Convert to fraction form
    4,653.68/6,981.60 = 1,366.64/x
  3. Step 3: Cross multiply
    4,653.68x = 6,981.60 × 1,366.64
  4. Step 4: Simplify right side
    4,653.68x = 9,541,333.82
  5. Step 5: Solve for x
    x = 9,541,333.82/4,653.68
  6. Step 6: Final answer
    x = 2,050.28

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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.