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Finding the Fourth Proportional to 5,798.16, 8,695.08 and 2,511.72

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Solution

The fourth proportional to 5,798.16, 8,695.08 and 2,511.72 is: 3,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.16 : 8,695.08 = 2,511.72 : x
  2. Step 2: Convert to fraction form
    5,798.16/8,695.08 = 2,511.72/x
  3. Step 3: Cross multiply
    5,798.16x = 8,695.08 × 2,511.72
  4. Step 4: Simplify right side
    5,798.16x = 21,839,606.34
  5. Step 5: Solve for x
    x = 21,839,606.34/5,798.16
  6. Step 6: Final answer
    x = 3,766.64

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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.