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Finding the Fourth Proportional to 7,504.88, 10,356.74 and 4,192.88

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Solution

The fourth proportional to 7,504.88, 10,356.74 and 4,192.88 is: 5,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.88 : 10,356.74 = 4,192.88 : x
  2. Step 2: Convert to fraction form
    7,504.88/10,356.74 = 4,192.88/x
  3. Step 3: Cross multiply
    7,504.88x = 10,356.74 × 4,192.88
  4. Step 4: Simplify right side
    7,504.88x = 43,424,568.01
  5. Step 5: Solve for x
    x = 43,424,568.01/7,504.88
  6. Step 6: Final answer
    x = 5,786.18

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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.