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Finding the Fourth Proportional to 28,808.74, 39,755.41 and 16,063.16

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Solution

The fourth proportional to 28,808.74, 39,755.41 and 16,063.16 is: 22,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.74 : 39,755.41 = 16,063.16 : x
  2. Step 2: Convert to fraction form
    28,808.74/39,755.41 = 16,063.16/x
  3. Step 3: Cross multiply
    28,808.74x = 39,755.41 × 16,063.16
  4. Step 4: Simplify right side
    28,808.74x = 638,597,496.38
  5. Step 5: Solve for x
    x = 638,597,496.38/28,808.74
  6. Step 6: Final answer
    x = 22,166.80

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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.