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Finding the Fourth Proportional to 4,891.71, 6,750.59 and 2,653.68

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Solution

The fourth proportional to 4,891.71, 6,750.59 and 2,653.68 is: 3,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.71 : 6,750.59 = 2,653.68 : x
  2. Step 2: Convert to fraction form
    4,891.71/6,750.59 = 2,653.68/x
  3. Step 3: Cross multiply
    4,891.71x = 6,750.59 × 2,653.68
  4. Step 4: Simplify right side
    4,891.71x = 17,913,892.40
  5. Step 5: Solve for x
    x = 17,913,892.40/4,891.71
  6. Step 6: Final answer
    x = 3,662.09

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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.