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Finding the Fourth Proportional to 7,192.54, 10,768.81 and 3,674.95

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Solution

The fourth proportional to 7,192.54, 10,768.81 and 3,674.95 is: 5,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.54 : 10,768.81 = 3,674.95 : x
  2. Step 2: Convert to fraction form
    7,192.54/10,768.81 = 3,674.95/x
  3. Step 3: Cross multiply
    7,192.54x = 10,768.81 × 3,674.95
  4. Step 4: Simplify right side
    7,192.54x = 39,574,838.31
  5. Step 5: Solve for x
    x = 39,574,838.31/7,192.54
  6. Step 6: Final answer
    x = 5,502.21

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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.