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Finding the Fourth Proportional to 11,220.68, 16,830.54 and 6,036.68

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Solution

The fourth proportional to 11,220.68, 16,830.54 and 6,036.68 is: 9,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.68 : 16,830.54 = 6,036.68 : x
  2. Step 2: Convert to fraction form
    11,220.68/16,830.54 = 6,036.68/x
  3. Step 3: Cross multiply
    11,220.68x = 16,830.54 × 6,036.68
  4. Step 4: Simplify right side
    11,220.68x = 101,600,584.21
  5. Step 5: Solve for x
    x = 101,600,584.21/11,220.68
  6. Step 6: Final answer
    x = 9,054.76

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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.