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Finding the Fourth Proportional to 4,895.89, 7,342.28 and 1,608.21

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Solution

The fourth proportional to 4,895.89, 7,342.28 and 1,608.21 is: 2,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.89 : 7,342.28 = 1,608.21 : x
  2. Step 2: Convert to fraction form
    4,895.89/7,342.28 = 1,608.21/x
  3. Step 3: Cross multiply
    4,895.89x = 7,342.28 × 1,608.21
  4. Step 4: Simplify right side
    4,895.89x = 11,807,920.08
  5. Step 5: Solve for x
    x = 11,807,920.08/4,895.89
  6. Step 6: Final answer
    x = 2,411.80

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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.