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Finding the Fourth Proportional to 2,922.95, 4,386.52 and 2,361.42

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Solution

The fourth proportional to 2,922.95, 4,386.52 and 2,361.42 is: 3,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.95 : 4,386.52 = 2,361.42 : x
  2. Step 2: Convert to fraction form
    2,922.95/4,386.52 = 2,361.42/x
  3. Step 3: Cross multiply
    2,922.95x = 4,386.52 × 2,361.42
  4. Step 4: Simplify right side
    2,922.95x = 10,358,419.01
  5. Step 5: Solve for x
    x = 10,358,419.01/2,922.95
  6. Step 6: Final answer
    x = 3,543.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.