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Finding the Fourth Proportional to 27,313.48, 40,969.98 and 8,845.48

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Solution

The fourth proportional to 27,313.48, 40,969.98 and 8,845.48 is: 13,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.48 : 40,969.98 = 8,845.48 : x
  2. Step 2: Convert to fraction form
    27,313.48/40,969.98 = 8,845.48/x
  3. Step 3: Cross multiply
    27,313.48x = 40,969.98 × 8,845.48
  4. Step 4: Simplify right side
    27,313.48x = 362,399,138.69
  5. Step 5: Solve for x
    x = 362,399,138.69/27,313.48
  6. Step 6: Final answer
    x = 13,268.14

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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.