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Finding the Fourth Proportional to 18,153.65, 27,223.63 and 7,058.95

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Solution

The fourth proportional to 18,153.65, 27,223.63 and 7,058.95 is: 10,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.65 : 27,223.63 = 7,058.95 : x
  2. Step 2: Convert to fraction form
    18,153.65/27,223.63 = 7,058.95/x
  3. Step 3: Cross multiply
    18,153.65x = 27,223.63 × 7,058.95
  4. Step 4: Simplify right side
    18,153.65x = 192,170,157.28
  5. Step 5: Solve for x
    x = 192,170,157.28/18,153.65
  6. Step 6: Final answer
    x = 10,585.76

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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.