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Finding the Fourth Proportional to 8,533.38, 11,728.41 and 7,532.58

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Solution

The fourth proportional to 8,533.38, 11,728.41 and 7,532.58 is: 10,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.38 : 11,728.41 = 7,532.58 : x
  2. Step 2: Convert to fraction form
    8,533.38/11,728.41 = 7,532.58/x
  3. Step 3: Cross multiply
    8,533.38x = 11,728.41 × 7,532.58
  4. Step 4: Simplify right side
    8,533.38x = 88,345,186.60
  5. Step 5: Solve for x
    x = 88,345,186.60/8,533.38
  6. Step 6: Final answer
    x = 10,352.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.