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Finding the Fourth Proportional to 23,287.55, 34,945.63 and 9,245.12

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Solution

The fourth proportional to 23,287.55, 34,945.63 and 9,245.12 is: 13,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.55 : 34,945.63 = 9,245.12 : x
  2. Step 2: Convert to fraction form
    23,287.55/34,945.63 = 9,245.12/x
  3. Step 3: Cross multiply
    23,287.55x = 34,945.63 × 9,245.12
  4. Step 4: Simplify right side
    23,287.55x = 323,076,344.98
  5. Step 5: Solve for x
    x = 323,076,344.98/23,287.55
  6. Step 6: Final answer
    x = 13,873.35

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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.