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Finding the Fourth Proportional to 15,404.22, 23,109.98 and 8,006.99

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Solution

The fourth proportional to 15,404.22, 23,109.98 and 8,006.99 is: 12,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.22 : 23,109.98 = 8,006.99 : x
  2. Step 2: Convert to fraction form
    15,404.22/23,109.98 = 8,006.99/x
  3. Step 3: Cross multiply
    15,404.22x = 23,109.98 × 8,006.99
  4. Step 4: Simplify right side
    15,404.22x = 185,041,223.18
  5. Step 5: Solve for x
    x = 185,041,223.18/15,404.22
  6. Step 6: Final answer
    x = 12,012.37

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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.