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Finding the Fourth Proportional to 15,393.90, 23,100.60 and 8,832.90

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Solution

The fourth proportional to 15,393.90, 23,100.60 and 8,832.90 is: 13,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.90 : 23,100.60 = 8,832.90 : x
  2. Step 2: Convert to fraction form
    15,393.90/23,100.60 = 8,832.90/x
  3. Step 3: Cross multiply
    15,393.90x = 23,100.60 × 8,832.90
  4. Step 4: Simplify right side
    15,393.90x = 204,045,289.74
  5. Step 5: Solve for x
    x = 204,045,289.74/15,393.90
  6. Step 6: Final answer
    x = 13,254.94

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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.