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Finding the Fourth Proportional to 35,230.80, 52,846.20 and 11,854.80

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Solution

The fourth proportional to 35,230.80, 52,846.20 and 11,854.80 is: 17,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.80 : 52,846.20 = 11,854.80 : x
  2. Step 2: Convert to fraction form
    35,230.80/52,846.20 = 11,854.80/x
  3. Step 3: Cross multiply
    35,230.80x = 52,846.20 × 11,854.80
  4. Step 4: Simplify right side
    35,230.80x = 626,481,131.76
  5. Step 5: Solve for x
    x = 626,481,131.76/35,230.80
  6. Step 6: Final answer
    x = 17,782.20

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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.