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Finding the Fourth Proportional to 11,504.76, 15,866.04 and 8,528.01

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Solution

The fourth proportional to 11,504.76, 15,866.04 and 8,528.01 is: 11,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.76 : 15,866.04 = 8,528.01 : x
  2. Step 2: Convert to fraction form
    11,504.76/15,866.04 = 8,528.01/x
  3. Step 3: Cross multiply
    11,504.76x = 15,866.04 × 8,528.01
  4. Step 4: Simplify right side
    11,504.76x = 135,305,747.78
  5. Step 5: Solve for x
    x = 135,305,747.78/11,504.76
  6. Step 6: Final answer
    x = 11,760.85

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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.