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Finding the Fourth Proportional to 8,773.64, 13,160.72 and 2,850.76

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Solution

The fourth proportional to 8,773.64, 13,160.72 and 2,850.76 is: 4,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.64 : 13,160.72 = 2,850.76 : x
  2. Step 2: Convert to fraction form
    8,773.64/13,160.72 = 2,850.76/x
  3. Step 3: Cross multiply
    8,773.64x = 13,160.72 × 2,850.76
  4. Step 4: Simplify right side
    8,773.64x = 37,518,054.15
  5. Step 5: Solve for x
    x = 37,518,054.15/8,773.64
  6. Step 6: Final answer
    x = 4,276.22

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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.