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Finding the Fourth Proportional to 3,580.84, 5,372.46 and 1,501.80

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Solution

The fourth proportional to 3,580.84, 5,372.46 and 1,501.80 is: 2,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.84 : 5,372.46 = 1,501.80 : x
  2. Step 2: Convert to fraction form
    3,580.84/5,372.46 = 1,501.80/x
  3. Step 3: Cross multiply
    3,580.84x = 5,372.46 × 1,501.80
  4. Step 4: Simplify right side
    3,580.84x = 8,068,360.43
  5. Step 5: Solve for x
    x = 8,068,360.43/3,580.84
  6. Step 6: Final answer
    x = 2,253.20

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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.