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Finding the Fourth Proportional to 2,310.88, 3,466.80 and 750.76

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Solution

The fourth proportional to 2,310.88, 3,466.80 and 750.76 is: 1,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.88 : 3,466.80 = 750.76 : x
  2. Step 2: Convert to fraction form
    2,310.88/3,466.80 = 750.76/x
  3. Step 3: Cross multiply
    2,310.88x = 3,466.80 × 750.76
  4. Step 4: Simplify right side
    2,310.88x = 2,602,734.77
  5. Step 5: Solve for x
    x = 2,602,734.77/2,310.88
  6. Step 6: Final answer
    x = 1,126.30

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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.