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Finding the Fourth Proportional to 7,573.79, 10,448.25 and 5,336.90

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Solution

The fourth proportional to 7,573.79, 10,448.25 and 5,336.90 is: 7,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.79 : 10,448.25 = 5,336.90 : x
  2. Step 2: Convert to fraction form
    7,573.79/10,448.25 = 5,336.90/x
  3. Step 3: Cross multiply
    7,573.79x = 10,448.25 × 5,336.90
  4. Step 4: Simplify right side
    7,573.79x = 55,761,251.94
  5. Step 5: Solve for x
    x = 55,761,251.94/7,573.79
  6. Step 6: Final answer
    x = 7,362.39

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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.