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Finding the Fourth Proportional to 8,530.56, 11,773.68 and 6,775.56

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Solution

The fourth proportional to 8,530.56, 11,773.68 and 6,775.56 is: 9,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.56 : 11,773.68 = 6,775.56 : x
  2. Step 2: Convert to fraction form
    8,530.56/11,773.68 = 6,775.56/x
  3. Step 3: Cross multiply
    8,530.56x = 11,773.68 × 6,775.56
  4. Step 4: Simplify right side
    8,530.56x = 79,773,275.26
  5. Step 5: Solve for x
    x = 79,773,275.26/8,530.56
  6. Step 6: Final answer
    x = 9,351.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.