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Finding the Fourth Proportional to 18,275.56, 27,391.25 and 8,901.53

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Solution

The fourth proportional to 18,275.56, 27,391.25 and 8,901.53 is: 13,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.56 : 27,391.25 = 8,901.53 : x
  2. Step 2: Convert to fraction form
    18,275.56/27,391.25 = 8,901.53/x
  3. Step 3: Cross multiply
    18,275.56x = 27,391.25 × 8,901.53
  4. Step 4: Simplify right side
    18,275.56x = 243,824,102.09
  5. Step 5: Solve for x
    x = 243,824,102.09/18,275.56
  6. Step 6: Final answer
    x = 13,341.54

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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.