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Finding the Fourth Proportional to 12,502.44, 18,750.87 and 3,736.22

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Solution

The fourth proportional to 12,502.44, 18,750.87 and 3,736.22 is: 5,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.44 : 18,750.87 = 3,736.22 : x
  2. Step 2: Convert to fraction form
    12,502.44/18,750.87 = 3,736.22/x
  3. Step 3: Cross multiply
    12,502.44x = 18,750.87 × 3,736.22
  4. Step 4: Simplify right side
    12,502.44x = 70,057,281.76
  5. Step 5: Solve for x
    x = 70,057,281.76/12,502.44
  6. Step 6: Final answer
    x = 5,603.49

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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.