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Finding the Fourth Proportional to 17,999.25, 26,999.49 and 4,851.93

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Solution

The fourth proportional to 17,999.25, 26,999.49 and 4,851.93 is: 7,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.25 : 26,999.49 = 4,851.93 : x
  2. Step 2: Convert to fraction form
    17,999.25/26,999.49 = 4,851.93/x
  3. Step 3: Cross multiply
    17,999.25x = 26,999.49 × 4,851.93
  4. Step 4: Simplify right side
    17,999.25x = 130,999,754.96
  5. Step 5: Solve for x
    x = 130,999,754.96/17,999.25
  6. Step 6: Final answer
    x = 7,278.07

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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.