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Finding the Fourth Proportional to 6,390.56, 9,587.26 and 2,495

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Solution

The fourth proportional to 6,390.56, 9,587.26 and 2,495 is: 3,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.56 : 9,587.26 = 2,495 : x
  2. Step 2: Convert to fraction form
    6,390.56/9,587.26 = 2,495/x
  3. Step 3: Cross multiply
    6,390.56x = 9,587.26 × 2,495
  4. Step 4: Simplify right side
    6,390.56x = 23,920,213.70
  5. Step 5: Solve for x
    x = 23,920,213.70/6,390.56
  6. Step 6: Final answer
    x = 3,743.05

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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.