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Finding the Fourth Proportional to 18,508.16, 25,541.48 and 10,551.12

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Solution

The fourth proportional to 18,508.16, 25,541.48 and 10,551.12 is: 14,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.16 : 25,541.48 = 10,551.12 : x
  2. Step 2: Convert to fraction form
    18,508.16/25,541.48 = 10,551.12/x
  3. Step 3: Cross multiply
    18,508.16x = 25,541.48 × 10,551.12
  4. Step 4: Simplify right side
    18,508.16x = 269,491,220.46
  5. Step 5: Solve for x
    x = 269,491,220.46/18,508.16
  6. Step 6: Final answer
    x = 14,560.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.