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Finding the Fourth Proportional to 15,044.69, 20,758.24 and 9,669.94

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Solution

The fourth proportional to 15,044.69, 20,758.24 and 9,669.94 is: 13,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.69 : 20,758.24 = 9,669.94 : x
  2. Step 2: Convert to fraction form
    15,044.69/20,758.24 = 9,669.94/x
  3. Step 3: Cross multiply
    15,044.69x = 20,758.24 × 9,669.94
  4. Step 4: Simplify right side
    15,044.69x = 200,730,895.50
  5. Step 5: Solve for x
    x = 200,730,895.50/15,044.69
  6. Step 6: Final answer
    x = 13,342.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.