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Finding the Fourth Proportional to 7,573.73, 11,362.48 and 7,448.16

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Solution

The fourth proportional to 7,573.73, 11,362.48 and 7,448.16 is: 11,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.73 : 11,362.48 = 7,448.16 : x
  2. Step 2: Convert to fraction form
    7,573.73/11,362.48 = 7,448.16/x
  3. Step 3: Cross multiply
    7,573.73x = 11,362.48 × 7,448.16
  4. Step 4: Simplify right side
    7,573.73x = 84,629,569.04
  5. Step 5: Solve for x
    x = 84,629,569.04/7,573.73
  6. Step 6: Final answer
    x = 11,174.09

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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.