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Finding the Fourth Proportional to 11,230.52, 16,851.88 and 4,661.22

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Solution

The fourth proportional to 11,230.52, 16,851.88 and 4,661.22 is: 6,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.52 : 16,851.88 = 4,661.22 : x
  2. Step 2: Convert to fraction form
    11,230.52/16,851.88 = 4,661.22/x
  3. Step 3: Cross multiply
    11,230.52x = 16,851.88 × 4,661.22
  4. Step 4: Simplify right side
    11,230.52x = 78,550,320.09
  5. Step 5: Solve for x
    x = 78,550,320.09/11,230.52
  6. Step 6: Final answer
    x = 6,994.36

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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.