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Finding the Fourth Proportional to 26,991.39, 40,485.91 and 9,223.63

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Solution

The fourth proportional to 26,991.39, 40,485.91 and 9,223.63 is: 13,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.39 : 40,485.91 = 9,223.63 : x
  2. Step 2: Convert to fraction form
    26,991.39/40,485.91 = 9,223.63/x
  3. Step 3: Cross multiply
    26,991.39x = 40,485.91 × 9,223.63
  4. Step 4: Simplify right side
    26,991.39x = 373,427,030.99
  5. Step 5: Solve for x
    x = 373,427,030.99/26,991.39
  6. Step 6: Final answer
    x = 13,835.05

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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.