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Finding the Fourth Proportional to 5,503.95, 8,254.31 and 2,905.47

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Solution

The fourth proportional to 5,503.95, 8,254.31 and 2,905.47 is: 4,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.95 : 8,254.31 = 2,905.47 : x
  2. Step 2: Convert to fraction form
    5,503.95/8,254.31 = 2,905.47/x
  3. Step 3: Cross multiply
    5,503.95x = 8,254.31 × 2,905.47
  4. Step 4: Simplify right side
    5,503.95x = 23,982,635.55
  5. Step 5: Solve for x
    x = 23,982,635.55/5,503.95
  6. Step 6: Final answer
    x = 4,357.35

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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.