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Finding the Fourth Proportional to 18,392.67, 27,588.87 and 4,541.67

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Solution

The fourth proportional to 18,392.67, 27,588.87 and 4,541.67 is: 6,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.67 : 27,588.87 = 4,541.67 : x
  2. Step 2: Convert to fraction form
    18,392.67/27,588.87 = 4,541.67/x
  3. Step 3: Cross multiply
    18,392.67x = 27,588.87 × 4,541.67
  4. Step 4: Simplify right side
    18,392.67x = 125,299,543.21
  5. Step 5: Solve for x
    x = 125,299,543.21/18,392.67
  6. Step 6: Final answer
    x = 6,812.47

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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.