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Finding the Fourth Proportional to 7,274.88, 10,843.74 and 6,905.52

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Solution

The fourth proportional to 7,274.88, 10,843.74 and 6,905.52 is: 10,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.88 : 10,843.74 = 6,905.52 : x
  2. Step 2: Convert to fraction form
    7,274.88/10,843.74 = 6,905.52/x
  3. Step 3: Cross multiply
    7,274.88x = 10,843.74 × 6,905.52
  4. Step 4: Simplify right side
    7,274.88x = 74,881,663.44
  5. Step 5: Solve for x
    x = 74,881,663.44/7,274.88
  6. Step 6: Final answer
    x = 10,293.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.