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Finding the Fourth Proportional to 18,859.98, 26,029.98 and 10,907.04

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Solution

The fourth proportional to 18,859.98, 26,029.98 and 10,907.04 is: 15,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.98 : 26,029.98 = 10,907.04 : x
  2. Step 2: Convert to fraction form
    18,859.98/26,029.98 = 10,907.04/x
  3. Step 3: Cross multiply
    18,859.98x = 26,029.98 × 10,907.04
  4. Step 4: Simplify right side
    18,859.98x = 283,910,033.06
  5. Step 5: Solve for x
    x = 283,910,033.06/18,859.98
  6. Step 6: Final answer
    x = 15,053.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.