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Finding the Fourth Proportional to 4,608.48, 6,916.72 and 2,418.76

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Solution

The fourth proportional to 4,608.48, 6,916.72 and 2,418.76 is: 3,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.48 : 6,916.72 = 2,418.76 : x
  2. Step 2: Convert to fraction form
    4,608.48/6,916.72 = 2,418.76/x
  3. Step 3: Cross multiply
    4,608.48x = 6,916.72 × 2,418.76
  4. Step 4: Simplify right side
    4,608.48x = 16,729,885.67
  5. Step 5: Solve for x
    x = 16,729,885.67/4,608.48
  6. Step 6: Final answer
    x = 3,630.24

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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.