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Finding the Fourth Proportional to 3,054.57, 4,215.48 and 1,795.71

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Solution

The fourth proportional to 3,054.57, 4,215.48 and 1,795.71 is: 2,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.57 : 4,215.48 = 1,795.71 : x
  2. Step 2: Convert to fraction form
    3,054.57/4,215.48 = 1,795.71/x
  3. Step 3: Cross multiply
    3,054.57x = 4,215.48 × 1,795.71
  4. Step 4: Simplify right side
    3,054.57x = 7,569,779.59
  5. Step 5: Solve for x
    x = 7,569,779.59/3,054.57
  6. Step 6: Final answer
    x = 2,478.18

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Why These Related Problems?

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