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Finding the Fourth Proportional to 5,917.06, 8,870.91 and 2,953.98

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Solution

The fourth proportional to 5,917.06, 8,870.91 and 2,953.98 is: 4,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.06 : 8,870.91 = 2,953.98 : x
  2. Step 2: Convert to fraction form
    5,917.06/8,870.91 = 2,953.98/x
  3. Step 3: Cross multiply
    5,917.06x = 8,870.91 × 2,953.98
  4. Step 4: Simplify right side
    5,917.06x = 26,204,520.28
  5. Step 5: Solve for x
    x = 26,204,520.28/5,917.06
  6. Step 6: Final answer
    x = 4,428.64

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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.