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Finding the Fourth Proportional to 3,393.55, 4,669.81 and 3,001.51

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Solution

The fourth proportional to 3,393.55, 4,669.81 and 3,001.51 is: 4,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.55 : 4,669.81 = 3,001.51 : x
  2. Step 2: Convert to fraction form
    3,393.55/4,669.81 = 3,001.51/x
  3. Step 3: Cross multiply
    3,393.55x = 4,669.81 × 3,001.51
  4. Step 4: Simplify right side
    3,393.55x = 14,016,481.41
  5. Step 5: Solve for x
    x = 14,016,481.41/3,393.55
  6. Step 6: Final answer
    x = 4,130.33

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1.5x scale

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.