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Finding the Fourth Proportional to 17,998.68, 26,998.02 and 4,851.06

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Solution

The fourth proportional to 17,998.68, 26,998.02 and 4,851.06 is: 7,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.68 : 26,998.02 = 4,851.06 : x
  2. Step 2: Convert to fraction form
    17,998.68/26,998.02 = 4,851.06/x
  3. Step 3: Cross multiply
    17,998.68x = 26,998.02 × 4,851.06
  4. Step 4: Simplify right side
    17,998.68x = 130,969,014.90
  5. Step 5: Solve for x
    x = 130,969,014.90/17,998.68
  6. Step 6: Final answer
    x = 7,276.59

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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.