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Finding the Fourth Proportional to 3,059.22, 4,588.88 and 750.72

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Solution

The fourth proportional to 3,059.22, 4,588.88 and 750.72 is: 1,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.22 : 4,588.88 = 750.72 : x
  2. Step 2: Convert to fraction form
    3,059.22/4,588.88 = 750.72/x
  3. Step 3: Cross multiply
    3,059.22x = 4,588.88 × 750.72
  4. Step 4: Simplify right side
    3,059.22x = 3,444,963.99
  5. Step 5: Solve for x
    x = 3,444,963.99/3,059.22
  6. Step 6: Final answer
    x = 1,126.09

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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.