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Finding the Fourth Proportional to 26,598.80, 39,821.40 and 16,230.80

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Solution

The fourth proportional to 26,598.80, 39,821.40 and 16,230.80 is: 24,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,598.80 : 39,821.40 = 16,230.80 : x
  2. Step 2: Convert to fraction form
    26,598.80/39,821.40 = 16,230.80/x
  3. Step 3: Cross multiply
    26,598.80x = 39,821.40 × 16,230.80
  4. Step 4: Simplify right side
    26,598.80x = 646,333,179.12
  5. Step 5: Solve for x
    x = 646,333,179.12/26,598.80
  6. Step 6: Final answer
    x = 24,299.34

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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.