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Finding the Fourth Proportional to 7,754.44, 10,696.98 and 5,392.48

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Solution

The fourth proportional to 7,754.44, 10,696.98 and 5,392.48 is: 7,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.44 : 10,696.98 = 5,392.48 : x
  2. Step 2: Convert to fraction form
    7,754.44/10,696.98 = 5,392.48/x
  3. Step 3: Cross multiply
    7,754.44x = 10,696.98 × 5,392.48
  4. Step 4: Simplify right side
    7,754.44x = 57,683,250.71
  5. Step 5: Solve for x
    x = 57,683,250.71/7,754.44
  6. Step 6: Final answer
    x = 7,438.74

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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.