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Finding the Fourth Proportional to 28,107.30, 42,160.95 and 24,651.30

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Solution

The fourth proportional to 28,107.30, 42,160.95 and 24,651.30 is: 36,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.30 : 42,160.95 = 24,651.30 : x
  2. Step 2: Convert to fraction form
    28,107.30/42,160.95 = 24,651.30/x
  3. Step 3: Cross multiply
    28,107.30x = 42,160.95 × 24,651.30
  4. Step 4: Simplify right side
    28,107.30x = 1,039,322,226.74
  5. Step 5: Solve for x
    x = 1,039,322,226.74/28,107.30
  6. Step 6: Final answer
    x = 36,976.95

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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.