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Finding the Fourth Proportional to 8,333.66, 11,452.36 and 7,948.19

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Solution

The fourth proportional to 8,333.66, 11,452.36 and 7,948.19 is: 10,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.66 : 11,452.36 = 7,948.19 : x
  2. Step 2: Convert to fraction form
    8,333.66/11,452.36 = 7,948.19/x
  3. Step 3: Cross multiply
    8,333.66x = 11,452.36 × 7,948.19
  4. Step 4: Simplify right side
    8,333.66x = 91,025,533.23
  5. Step 5: Solve for x
    x = 91,025,533.23/8,333.66
  6. Step 6: Final answer
    x = 10,922.64

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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.