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Finding the Fourth Proportional to 26,999.70, 40,499.55 and 9,463.20

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Solution

The fourth proportional to 26,999.70, 40,499.55 and 9,463.20 is: 14,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.70 : 40,499.55 = 9,463.20 : x
  2. Step 2: Convert to fraction form
    26,999.70/40,499.55 = 9,463.20/x
  3. Step 3: Cross multiply
    26,999.70x = 40,499.55 × 9,463.20
  4. Step 4: Simplify right side
    26,999.70x = 383,255,341.56
  5. Step 5: Solve for x
    x = 383,255,341.56/26,999.70
  6. Step 6: Final answer
    x = 14,194.80

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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.