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Finding the Fourth Proportional to 62,754.69, 94,129.16 and 21,202.05

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Solution

The fourth proportional to 62,754.69, 94,129.16 and 21,202.05 is: 31,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.69 : 94,129.16 = 21,202.05 : x
  2. Step 2: Convert to fraction form
    62,754.69/94,129.16 = 21,202.05/x
  3. Step 3: Cross multiply
    62,754.69x = 94,129.16 × 21,202.05
  4. Step 4: Simplify right side
    62,754.69x = 1,995,731,050.77
  5. Step 5: Solve for x
    x = 1,995,731,050.77/62,754.69
  6. Step 6: Final answer
    x = 31,802.10

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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.