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Finding the Fourth Proportional to 3,188.93, 4,750.51 and 3,092.21

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Solution

The fourth proportional to 3,188.93, 4,750.51 and 3,092.21 is: 4,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.93 : 4,750.51 = 3,092.21 : x
  2. Step 2: Convert to fraction form
    3,188.93/4,750.51 = 3,092.21/x
  3. Step 3: Cross multiply
    3,188.93x = 4,750.51 × 3,092.21
  4. Step 4: Simplify right side
    3,188.93x = 14,689,574.53
  5. Step 5: Solve for x
    x = 14,689,574.53/3,188.93
  6. Step 6: Final answer
    x = 4,606.43

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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.