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Finding the Fourth Proportional to 15,574.55, 23,361 and 4,481.12

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Solution

The fourth proportional to 15,574.55, 23,361 and 4,481.12 is: 6,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.55 : 23,361 = 4,481.12 : x
  2. Step 2: Convert to fraction form
    15,574.55/23,361 = 4,481.12/x
  3. Step 3: Cross multiply
    15,574.55x = 23,361 × 4,481.12
  4. Step 4: Simplify right side
    15,574.55x = 104,683,444.32
  5. Step 5: Solve for x
    x = 104,683,444.32/15,574.55
  6. Step 6: Final answer
    x = 6,721.44

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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.