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Finding the Fourth Proportional to 7,495.59, 11,249.01 and 2,820.21

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Solution

The fourth proportional to 7,495.59, 11,249.01 and 2,820.21 is: 4,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.59 : 11,249.01 = 2,820.21 : x
  2. Step 2: Convert to fraction form
    7,495.59/11,249.01 = 2,820.21/x
  3. Step 3: Cross multiply
    7,495.59x = 11,249.01 × 2,820.21
  4. Step 4: Simplify right side
    7,495.59x = 31,724,570.49
  5. Step 5: Solve for x
    x = 31,724,570.49/7,495.59
  6. Step 6: Final answer
    x = 4,232.43

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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.