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Finding the Fourth Proportional to 7,329.41, 10,992.90 and 2,648.52

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Solution

The fourth proportional to 7,329.41, 10,992.90 and 2,648.52 is: 3,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.41 : 10,992.90 = 2,648.52 : x
  2. Step 2: Convert to fraction form
    7,329.41/10,992.90 = 2,648.52/x
  3. Step 3: Cross multiply
    7,329.41x = 10,992.90 × 2,648.52
  4. Step 4: Simplify right side
    7,329.41x = 29,114,915.51
  5. Step 5: Solve for x
    x = 29,114,915.51/7,329.41
  6. Step 6: Final answer
    x = 3,972.34

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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.