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Finding the Fourth Proportional to 2,514.51, 3,470.18 and 1,395.49

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Solution

The fourth proportional to 2,514.51, 3,470.18 and 1,395.49 is: 1,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.51 : 3,470.18 = 1,395.49 : x
  2. Step 2: Convert to fraction form
    2,514.51/3,470.18 = 1,395.49/x
  3. Step 3: Cross multiply
    2,514.51x = 3,470.18 × 1,395.49
  4. Step 4: Simplify right side
    2,514.51x = 4,842,594.51
  5. Step 5: Solve for x
    x = 4,842,594.51/2,514.51
  6. Step 6: Final answer
    x = 1,925.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.