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Finding the Fourth Proportional to 7,498.81, 11,257.94 and 4,913.29

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Solution

The fourth proportional to 7,498.81, 11,257.94 and 4,913.29 is: 7,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.81 : 11,257.94 = 4,913.29 : x
  2. Step 2: Convert to fraction form
    7,498.81/11,257.94 = 4,913.29/x
  3. Step 3: Cross multiply
    7,498.81x = 11,257.94 × 4,913.29
  4. Step 4: Simplify right side
    7,498.81x = 55,313,524.02
  5. Step 5: Solve for x
    x = 55,313,524.02/7,498.81
  6. Step 6: Final answer
    x = 7,376.31

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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.