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Finding the Fourth Proportional to 11,184.70, 16,773.70 and 3,686.88

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Solution

The fourth proportional to 11,184.70, 16,773.70 and 3,686.88 is: 5,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.70 : 16,773.70 = 3,686.88 : x
  2. Step 2: Convert to fraction form
    11,184.70/16,773.70 = 3,686.88/x
  3. Step 3: Cross multiply
    11,184.70x = 16,773.70 × 3,686.88
  4. Step 4: Simplify right side
    11,184.70x = 61,842,619.06
  5. Step 5: Solve for x
    x = 61,842,619.06/11,184.70
  6. Step 6: Final answer
    x = 5,529.22

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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.