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Finding the Fourth Proportional to 10,366.92, 15,548.24 and 2,970

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Solution

The fourth proportional to 10,366.92, 15,548.24 and 2,970 is: 4,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.92 : 15,548.24 = 2,970 : x
  2. Step 2: Convert to fraction form
    10,366.92/15,548.24 = 2,970/x
  3. Step 3: Cross multiply
    10,366.92x = 15,548.24 × 2,970
  4. Step 4: Simplify right side
    10,366.92x = 46,178,272.80
  5. Step 5: Solve for x
    x = 46,178,272.80/10,366.92
  6. Step 6: Final answer
    x = 4,454.39

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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.