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Finding the Fourth Proportional to 8,150.90, 11,253.47 and 5,602.90

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Solution

The fourth proportional to 8,150.90, 11,253.47 and 5,602.90 is: 7,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.90 : 11,253.47 = 5,602.90 : x
  2. Step 2: Convert to fraction form
    8,150.90/11,253.47 = 5,602.90/x
  3. Step 3: Cross multiply
    8,150.90x = 11,253.47 × 5,602.90
  4. Step 4: Simplify right side
    8,150.90x = 63,052,052.94
  5. Step 5: Solve for x
    x = 63,052,052.94/8,150.90
  6. Step 6: Final answer
    x = 7,735.59

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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.