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Finding the Fourth Proportional to 6,985.97, 10,478.48 and 2,601.41

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Solution

The fourth proportional to 6,985.97, 10,478.48 and 2,601.41 is: 3,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.97 : 10,478.48 = 2,601.41 : x
  2. Step 2: Convert to fraction form
    6,985.97/10,478.48 = 2,601.41/x
  3. Step 3: Cross multiply
    6,985.97x = 10,478.48 × 2,601.41
  4. Step 4: Simplify right side
    6,985.97x = 27,258,809.65
  5. Step 5: Solve for x
    x = 27,258,809.65/6,985.97
  6. Step 6: Final answer
    x = 3,901.94

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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.