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Finding the Fourth Proportional to 23,021.54, 34,539.60 and 8,230.13

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Solution

The fourth proportional to 23,021.54, 34,539.60 and 8,230.13 is: 12,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.54 : 34,539.60 = 8,230.13 : x
  2. Step 2: Convert to fraction form
    23,021.54/34,539.60 = 8,230.13/x
  3. Step 3: Cross multiply
    23,021.54x = 34,539.60 × 8,230.13
  4. Step 4: Simplify right side
    23,021.54x = 284,265,225.45
  5. Step 5: Solve for x
    x = 284,265,225.45/23,021.54
  6. Step 6: Final answer
    x = 12,347.80

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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.