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Finding the Fourth Proportional to 10,404.65, 15,606.52 and 3,008.95

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Solution

The fourth proportional to 10,404.65, 15,606.52 and 3,008.95 is: 4,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.65 : 15,606.52 = 3,008.95 : x
  2. Step 2: Convert to fraction form
    10,404.65/15,606.52 = 3,008.95/x
  3. Step 3: Cross multiply
    10,404.65x = 15,606.52 × 3,008.95
  4. Step 4: Simplify right side
    10,404.65x = 46,959,208.74
  5. Step 5: Solve for x
    x = 46,959,208.74/10,404.65
  6. Step 6: Final answer
    x = 4,513.29

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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.