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Finding the Fourth Proportional to 14,777.80, 22,151.12 and 4,914.44

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Solution

The fourth proportional to 14,777.80, 22,151.12 and 4,914.44 is: 7,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.80 : 22,151.12 = 4,914.44 : x
  2. Step 2: Convert to fraction form
    14,777.80/22,151.12 = 4,914.44/x
  3. Step 3: Cross multiply
    14,777.80x = 22,151.12 × 4,914.44
  4. Step 4: Simplify right side
    14,777.80x = 108,860,350.17
  5. Step 5: Solve for x
    x = 108,860,350.17/14,777.80
  6. Step 6: Final answer
    x = 7,366.48

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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.