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Finding the Fourth Proportional to 16,612.63, 22,928.99 and 9,542.95

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Solution

The fourth proportional to 16,612.63, 22,928.99 and 9,542.95 is: 13,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.63 : 22,928.99 = 9,542.95 : x
  2. Step 2: Convert to fraction form
    16,612.63/22,928.99 = 9,542.95/x
  3. Step 3: Cross multiply
    16,612.63x = 22,928.99 × 9,542.95
  4. Step 4: Simplify right side
    16,612.63x = 218,810,100.08
  5. Step 5: Solve for x
    x = 218,810,100.08/16,612.63
  6. Step 6: Final answer
    x = 13,171.31

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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.