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Finding the Fourth Proportional to 5,608.44, 8,411.16 and 2,972.40

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Solution

The fourth proportional to 5,608.44, 8,411.16 and 2,972.40 is: 4,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.44 : 8,411.16 = 2,972.40 : x
  2. Step 2: Convert to fraction form
    5,608.44/8,411.16 = 2,972.40/x
  3. Step 3: Cross multiply
    5,608.44x = 8,411.16 × 2,972.40
  4. Step 4: Simplify right side
    5,608.44x = 25,001,331.98
  5. Step 5: Solve for x
    x = 25,001,331.98/5,608.44
  6. Step 6: Final answer
    x = 4,457.81

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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.