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Finding the Fourth Proportional to 9,220.81, 13,845.02 and 5,276.52

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Solution

The fourth proportional to 9,220.81, 13,845.02 and 5,276.52 is: 7,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.81 : 13,845.02 = 5,276.52 : x
  2. Step 2: Convert to fraction form
    9,220.81/13,845.02 = 5,276.52/x
  3. Step 3: Cross multiply
    9,220.81x = 13,845.02 × 5,276.52
  4. Step 4: Simplify right side
    9,220.81x = 73,053,524.93
  5. Step 5: Solve for x
    x = 73,053,524.93/9,220.81
  6. Step 6: Final answer
    x = 7,922.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.