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Finding the Fourth Proportional to 3,270.66, 4,513.13 and 1,854.51

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Solution

The fourth proportional to 3,270.66, 4,513.13 and 1,854.51 is: 2,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.66 : 4,513.13 = 1,854.51 : x
  2. Step 2: Convert to fraction form
    3,270.66/4,513.13 = 1,854.51/x
  3. Step 3: Cross multiply
    3,270.66x = 4,513.13 × 1,854.51
  4. Step 4: Simplify right side
    3,270.66x = 8,369,642.40
  5. Step 5: Solve for x
    x = 8,369,642.40/3,270.66
  6. Step 6: Final answer
    x = 2,559.01

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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.