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Finding the Fourth Proportional to 2,703.16, 4,054.98 and 755.38

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Solution

The fourth proportional to 2,703.16, 4,054.98 and 755.38 is: 1,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.16 : 4,054.98 = 755.38 : x
  2. Step 2: Convert to fraction form
    2,703.16/4,054.98 = 755.38/x
  3. Step 3: Cross multiply
    2,703.16x = 4,054.98 × 755.38
  4. Step 4: Simplify right side
    2,703.16x = 3,063,050.79
  5. Step 5: Solve for x
    x = 3,063,050.79/2,703.16
  6. Step 6: Final answer
    x = 1,133.14

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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.