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Finding the Fourth Proportional to 23,988.99, 35,974.84 and 10,139.07

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Solution

The fourth proportional to 23,988.99, 35,974.84 and 10,139.07 is: 15,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.99 : 35,974.84 = 10,139.07 : x
  2. Step 2: Convert to fraction form
    23,988.99/35,974.84 = 10,139.07/x
  3. Step 3: Cross multiply
    23,988.99x = 35,974.84 × 10,139.07
  4. Step 4: Simplify right side
    23,988.99x = 364,751,421.00
  5. Step 5: Solve for x
    x = 364,751,421.00/23,988.99
  6. Step 6: Final answer
    x = 15,204.95

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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.