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Finding the Fourth Proportional to 28,082.93, 42,087.12 and 14,906.93

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Solution

The fourth proportional to 28,082.93, 42,087.12 and 14,906.93 is: 22,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.93 : 42,087.12 = 14,906.93 : x
  2. Step 2: Convert to fraction form
    28,082.93/42,087.12 = 14,906.93/x
  3. Step 3: Cross multiply
    28,082.93x = 42,087.12 × 14,906.93
  4. Step 4: Simplify right side
    28,082.93x = 627,389,751.74
  5. Step 5: Solve for x
    x = 627,389,751.74/28,082.93
  6. Step 6: Final answer
    x = 22,340.61

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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.