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Finding the Fourth Proportional to 15,078.69, 22,631.67 and 8,064.63

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Solution

The fourth proportional to 15,078.69, 22,631.67 and 8,064.63 is: 12,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.69 : 22,631.67 = 8,064.63 : x
  2. Step 2: Convert to fraction form
    15,078.69/22,631.67 = 8,064.63/x
  3. Step 3: Cross multiply
    15,078.69x = 22,631.67 × 8,064.63
  4. Step 4: Simplify right side
    15,078.69x = 182,516,044.83
  5. Step 5: Solve for x
    x = 182,516,044.83/15,078.69
  6. Step 6: Final answer
    x = 12,104.24

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1.5x scale

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.