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Finding the Fourth Proportional to 11,030.76, 16,524.22 and 5,169.60

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Solution

The fourth proportional to 11,030.76, 16,524.22 and 5,169.60 is: 7,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.76 : 16,524.22 = 5,169.60 : x
  2. Step 2: Convert to fraction form
    11,030.76/16,524.22 = 5,169.60/x
  3. Step 3: Cross multiply
    11,030.76x = 16,524.22 × 5,169.60
  4. Step 4: Simplify right side
    11,030.76x = 85,423,607.71
  5. Step 5: Solve for x
    x = 85,423,607.71/11,030.76
  6. Step 6: Final answer
    x = 7,744.13

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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.