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Finding the Fourth Proportional to 10,404.10, 15,605.52 and 3,008.39

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Solution

The fourth proportional to 10,404.10, 15,605.52 and 3,008.39 is: 4,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.10 : 15,605.52 = 3,008.39 : x
  2. Step 2: Convert to fraction form
    10,404.10/15,605.52 = 3,008.39/x
  3. Step 3: Cross multiply
    10,404.10x = 15,605.52 × 3,008.39
  4. Step 4: Simplify right side
    10,404.10x = 46,947,490.31
  5. Step 5: Solve for x
    x = 46,947,490.31/10,404.10
  6. Step 6: Final answer
    x = 4,512.40

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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.