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Finding the Fourth Proportional to 28,734.27, 43,102.13 and 7,957.95

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Solution

The fourth proportional to 28,734.27, 43,102.13 and 7,957.95 is: 11,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.27 : 43,102.13 = 7,957.95 : x
  2. Step 2: Convert to fraction form
    28,734.27/43,102.13 = 7,957.95/x
  3. Step 3: Cross multiply
    28,734.27x = 43,102.13 × 7,957.95
  4. Step 4: Simplify right side
    28,734.27x = 343,004,555.64
  5. Step 5: Solve for x
    x = 343,004,555.64/28,734.27
  6. Step 6: Final answer
    x = 11,937.12

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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.