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Finding the Fourth Proportional to 3,342.51, 5,010.51 and 1,395.27

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Solution

The fourth proportional to 3,342.51, 5,010.51 and 1,395.27 is: 2,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.51 : 5,010.51 = 1,395.27 : x
  2. Step 2: Convert to fraction form
    3,342.51/5,010.51 = 1,395.27/x
  3. Step 3: Cross multiply
    3,342.51x = 5,010.51 × 1,395.27
  4. Step 4: Simplify right side
    3,342.51x = 6,991,014.29
  5. Step 5: Solve for x
    x = 6,991,014.29/3,342.51
  6. Step 6: Final answer
    x = 2,091.55

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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.