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Finding the Fourth Proportional to 10,551.72, 14,551.74 and 9,059.16

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Solution

The fourth proportional to 10,551.72, 14,551.74 and 9,059.16 is: 12,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.72 : 14,551.74 = 9,059.16 : x
  2. Step 2: Convert to fraction form
    10,551.72/14,551.74 = 9,059.16/x
  3. Step 3: Cross multiply
    10,551.72x = 14,551.74 × 9,059.16
  4. Step 4: Simplify right side
    10,551.72x = 131,826,540.94
  5. Step 5: Solve for x
    x = 131,826,540.94/10,551.72
  6. Step 6: Final answer
    x = 12,493.37

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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.