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Finding the Fourth Proportional to 6,755.76, 10,127.04 and 3,291.12

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Solution

The fourth proportional to 6,755.76, 10,127.04 and 3,291.12 is: 4,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.76 : 10,127.04 = 3,291.12 : x
  2. Step 2: Convert to fraction form
    6,755.76/10,127.04 = 3,291.12/x
  3. Step 3: Cross multiply
    6,755.76x = 10,127.04 × 3,291.12
  4. Step 4: Simplify right side
    6,755.76x = 33,329,303.88
  5. Step 5: Solve for x
    x = 33,329,303.88/6,755.76
  6. Step 6: Final answer
    x = 4,933.46

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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.