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Finding the Fourth Proportional to 28,753.80, 43,114.44 and 11,203.44

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Solution

The fourth proportional to 28,753.80, 43,114.44 and 11,203.44 is: 16,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.80 : 43,114.44 = 11,203.44 : x
  2. Step 2: Convert to fraction form
    28,753.80/43,114.44 = 11,203.44/x
  3. Step 3: Cross multiply
    28,753.80x = 43,114.44 × 11,203.44
  4. Step 4: Simplify right side
    28,753.80x = 483,030,041.67
  5. Step 5: Solve for x
    x = 483,030,041.67/28,753.80
  6. Step 6: Final answer
    x = 16,798.82

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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.