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Finding the Fourth Proportional to 26,492.80, 39,739.20 and 8,024.80

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Solution

The fourth proportional to 26,492.80, 39,739.20 and 8,024.80 is: 12,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.80 : 39,739.20 = 8,024.80 : x
  2. Step 2: Convert to fraction form
    26,492.80/39,739.20 = 8,024.80/x
  3. Step 3: Cross multiply
    26,492.80x = 39,739.20 × 8,024.80
  4. Step 4: Simplify right side
    26,492.80x = 318,899,132.16
  5. Step 5: Solve for x
    x = 318,899,132.16/26,492.80
  6. Step 6: Final answer
    x = 12,037.20

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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.