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Finding the Fourth Proportional to 29,911.80, 44,859.60 and 8,851.80

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Solution

The fourth proportional to 29,911.80, 44,859.60 and 8,851.80 is: 13,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.80 : 44,859.60 = 8,851.80 : x
  2. Step 2: Convert to fraction form
    29,911.80/44,859.60 = 8,851.80/x
  3. Step 3: Cross multiply
    29,911.80x = 44,859.60 × 8,851.80
  4. Step 4: Simplify right side
    29,911.80x = 397,088,207.28
  5. Step 5: Solve for x
    x = 397,088,207.28/29,911.80
  6. Step 6: Final answer
    x = 13,275.30

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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.