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Finding the Fourth Proportional to 22,250.64, 33,372.72 and 7,459.50

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Solution

The fourth proportional to 22,250.64, 33,372.72 and 7,459.50 is: 11,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.64 : 33,372.72 = 7,459.50 : x
  2. Step 2: Convert to fraction form
    22,250.64/33,372.72 = 7,459.50/x
  3. Step 3: Cross multiply
    22,250.64x = 33,372.72 × 7,459.50
  4. Step 4: Simplify right side
    22,250.64x = 248,943,804.84
  5. Step 5: Solve for x
    x = 248,943,804.84/22,250.64
  6. Step 6: Final answer
    x = 11,188.16

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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.