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Finding the Fourth Proportional to 2,377.60, 3,563.88 and 916.12

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Solution

The fourth proportional to 2,377.60, 3,563.88 and 916.12 is: 1,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.60 : 3,563.88 = 916.12 : x
  2. Step 2: Convert to fraction form
    2,377.60/3,563.88 = 916.12/x
  3. Step 3: Cross multiply
    2,377.60x = 3,563.88 × 916.12
  4. Step 4: Simplify right side
    2,377.60x = 3,264,941.75
  5. Step 5: Solve for x
    x = 3,264,941.75/2,377.60
  6. Step 6: Final answer
    x = 1,373.21

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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.