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Finding the Fourth Proportional to 6,264.60, 9,390.72 and 2,756.50

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Solution

The fourth proportional to 6,264.60, 9,390.72 and 2,756.50 is: 4,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.60 : 9,390.72 = 2,756.50 : x
  2. Step 2: Convert to fraction form
    6,264.60/9,390.72 = 2,756.50/x
  3. Step 3: Cross multiply
    6,264.60x = 9,390.72 × 2,756.50
  4. Step 4: Simplify right side
    6,264.60x = 25,885,519.68
  5. Step 5: Solve for x
    x = 25,885,519.68/6,264.60
  6. Step 6: Final answer
    x = 4,132.03

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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.