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Finding the Fourth Proportional to 5,873.66, 8,818.90 and 5,151.96

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Solution

The fourth proportional to 5,873.66, 8,818.90 and 5,151.96 is: 7,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.66 : 8,818.90 = 5,151.96 : x
  2. Step 2: Convert to fraction form
    5,873.66/8,818.90 = 5,151.96/x
  3. Step 3: Cross multiply
    5,873.66x = 8,818.90 × 5,151.96
  4. Step 4: Simplify right side
    5,873.66x = 45,434,620.04
  5. Step 5: Solve for x
    x = 45,434,620.04/5,873.66
  6. Step 6: Final answer
    x = 7,735.32

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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.