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Finding the Fourth Proportional to 37,358, 51,552.53 and 20,361.88

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Solution

The fourth proportional to 37,358, 51,552.53 and 20,361.88 is: 28,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,358 : 51,552.53 = 20,361.88 : x
  2. Step 2: Convert to fraction form
    37,358/51,552.53 = 20,361.88/x
  3. Step 3: Cross multiply
    37,358x = 51,552.53 × 20,361.88
  4. Step 4: Simplify right side
    37,358x = 1,049,706,429.56
  5. Step 5: Solve for x
    x = 1,049,706,429.56/37,358
  6. Step 6: Final answer
    x = 28,098.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.