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Finding the Fourth Proportional to 26,049.64, 39,080.88 and 7,329.64

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Solution

The fourth proportional to 26,049.64, 39,080.88 and 7,329.64 is: 10,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,049.64 : 39,080.88 = 7,329.64 : x
  2. Step 2: Convert to fraction form
    26,049.64/39,080.88 = 7,329.64/x
  3. Step 3: Cross multiply
    26,049.64x = 39,080.88 × 7,329.64
  4. Step 4: Simplify right side
    26,049.64x = 286,448,781.28
  5. Step 5: Solve for x
    x = 286,448,781.28/26,049.64
  6. Step 6: Final answer
    x = 10,996.27

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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.