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Finding the Fourth Proportional to 18,392.54, 27,588.87 and 4,541.54

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Solution

The fourth proportional to 18,392.54, 27,588.87 and 4,541.54 is: 6,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.54 : 27,588.87 = 4,541.54 : x
  2. Step 2: Convert to fraction form
    18,392.54/27,588.87 = 4,541.54/x
  3. Step 3: Cross multiply
    18,392.54x = 27,588.87 × 4,541.54
  4. Step 4: Simplify right side
    18,392.54x = 125,295,818.72
  5. Step 5: Solve for x
    x = 125,295,818.72/18,392.54
  6. Step 6: Final answer
    x = 6,812.32

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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.