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Finding the Fourth Proportional to 10,362, 15,545.44 and 3,436.52

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Solution

The fourth proportional to 10,362, 15,545.44 and 3,436.52 is: 5,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362 : 15,545.44 = 3,436.52 : x
  2. Step 2: Convert to fraction form
    10,362/15,545.44 = 3,436.52/x
  3. Step 3: Cross multiply
    10,362x = 15,545.44 × 3,436.52
  4. Step 4: Simplify right side
    10,362x = 53,422,215.47
  5. Step 5: Solve for x
    x = 53,422,215.47/10,362
  6. Step 6: Final answer
    x = 5,155.59

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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.