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Finding the Fourth Proportional to 15,243.09, 22,873.38 and 8,223.09

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Solution

The fourth proportional to 15,243.09, 22,873.38 and 8,223.09 is: 12,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.09 : 22,873.38 = 8,223.09 : x
  2. Step 2: Convert to fraction form
    15,243.09/22,873.38 = 8,223.09/x
  3. Step 3: Cross multiply
    15,243.09x = 22,873.38 × 8,223.09
  4. Step 4: Simplify right side
    15,243.09x = 188,089,862.34
  5. Step 5: Solve for x
    x = 188,089,862.34/15,243.09
  6. Step 6: Final answer
    x = 12,339.35

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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.