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Finding the Fourth Proportional to 26,284.88, 36,267.72 and 15,104.72

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Solution

The fourth proportional to 26,284.88, 36,267.72 and 15,104.72 is: 20,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.88 : 36,267.72 = 15,104.72 : x
  2. Step 2: Convert to fraction form
    26,284.88/36,267.72 = 15,104.72/x
  3. Step 3: Cross multiply
    26,284.88x = 36,267.72 × 15,104.72
  4. Step 4: Simplify right side
    26,284.88x = 547,813,755.64
  5. Step 5: Solve for x
    x = 547,813,755.64/26,284.88
  6. Step 6: Final answer
    x = 20,841.40

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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.