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Finding the Fourth Proportional to 17,990.54, 26,985.64 and 10,093.04

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Solution

The fourth proportional to 17,990.54, 26,985.64 and 10,093.04 is: 15,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.54 : 26,985.64 = 10,093.04 : x
  2. Step 2: Convert to fraction form
    17,990.54/26,985.64 = 10,093.04/x
  3. Step 3: Cross multiply
    17,990.54x = 26,985.64 × 10,093.04
  4. Step 4: Simplify right side
    17,990.54x = 272,367,143.95
  5. Step 5: Solve for x
    x = 272,367,143.95/17,990.54
  6. Step 6: Final answer
    x = 15,139.46

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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.