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Finding the Fourth Proportional to 10,361.87, 15,532.10 and 4,810.69

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Solution

The fourth proportional to 10,361.87, 15,532.10 and 4,810.69 is: 7,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.87 : 15,532.10 = 4,810.69 : x
  2. Step 2: Convert to fraction form
    10,361.87/15,532.10 = 4,810.69/x
  3. Step 3: Cross multiply
    10,361.87x = 15,532.10 × 4,810.69
  4. Step 4: Simplify right side
    10,361.87x = 74,720,158.61
  5. Step 5: Solve for x
    x = 74,720,158.61/10,361.87
  6. Step 6: Final answer
    x = 7,211.07

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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.