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Finding the Fourth Proportional to 7,247.54, 9,992.43 and 6,169.77

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Solution

The fourth proportional to 7,247.54, 9,992.43 and 6,169.77 is: 8,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.54 : 9,992.43 = 6,169.77 : x
  2. Step 2: Convert to fraction form
    7,247.54/9,992.43 = 6,169.77/x
  3. Step 3: Cross multiply
    7,247.54x = 9,992.43 × 6,169.77
  4. Step 4: Simplify right side
    7,247.54x = 61,650,994.84
  5. Step 5: Solve for x
    x = 61,650,994.84/7,247.54
  6. Step 6: Final answer
    x = 8,506.47

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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.