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Finding the Fourth Proportional to 2,412.42, 3,328.47 and 1,364.46

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Solution

The fourth proportional to 2,412.42, 3,328.47 and 1,364.46 is: 1,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.42 : 3,328.47 = 1,364.46 : x
  2. Step 2: Convert to fraction form
    2,412.42/3,328.47 = 1,364.46/x
  3. Step 3: Cross multiply
    2,412.42x = 3,328.47 × 1,364.46
  4. Step 4: Simplify right side
    2,412.42x = 4,541,564.18
  5. Step 5: Solve for x
    x = 4,541,564.18/2,412.42
  6. Step 6: Final answer
    x = 1,882.58

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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.