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Finding the Fourth Proportional to 62,991.44, 94,428.80 and 35,270

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Solution

The fourth proportional to 62,991.44, 94,428.80 and 35,270 is: 52,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,991.44 : 94,428.80 = 35,270 : x
  2. Step 2: Convert to fraction form
    62,991.44/94,428.80 = 35,270/x
  3. Step 3: Cross multiply
    62,991.44x = 94,428.80 × 35,270
  4. Step 4: Simplify right side
    62,991.44x = 3,330,503,776
  5. Step 5: Solve for x
    x = 3,330,503,776/62,991.44
  6. Step 6: Final answer
    x = 52,872.32

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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.