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Finding the Fourth Proportional to 2,916.18, 4,374.56 and 968.54

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Solution

The fourth proportional to 2,916.18, 4,374.56 and 968.54 is: 1,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.18 : 4,374.56 = 968.54 : x
  2. Step 2: Convert to fraction form
    2,916.18/4,374.56 = 968.54/x
  3. Step 3: Cross multiply
    2,916.18x = 4,374.56 × 968.54
  4. Step 4: Simplify right side
    2,916.18x = 4,236,936.34
  5. Step 5: Solve for x
    x = 4,236,936.34/2,916.18
  6. Step 6: Final answer
    x = 1,452.91

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1.5x scale

Why These Related Problems?

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