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Finding the Fourth Proportional to 7,256.82, 10,821.52 and 7,194.26

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Solution

The fourth proportional to 7,256.82, 10,821.52 and 7,194.26 is: 10,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.82 : 10,821.52 = 7,194.26 : x
  2. Step 2: Convert to fraction form
    7,256.82/10,821.52 = 7,194.26/x
  3. Step 3: Cross multiply
    7,256.82x = 10,821.52 × 7,194.26
  4. Step 4: Simplify right side
    7,256.82x = 77,852,828.48
  5. Step 5: Solve for x
    x = 77,852,828.48/7,256.82
  6. Step 6: Final answer
    x = 10,728.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.