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Finding the Fourth Proportional to 18,235.94, 27,356.94 and 5,753.03

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Solution

The fourth proportional to 18,235.94, 27,356.94 and 5,753.03 is: 8,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.94 : 27,356.94 = 5,753.03 : x
  2. Step 2: Convert to fraction form
    18,235.94/27,356.94 = 5,753.03/x
  3. Step 3: Cross multiply
    18,235.94x = 27,356.94 × 5,753.03
  4. Step 4: Simplify right side
    18,235.94x = 157,385,159.74
  5. Step 5: Solve for x
    x = 157,385,159.74/18,235.94
  6. Step 6: Final answer
    x = 8,630.50

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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.