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Finding the Fourth Proportional to 62,931, 94,396.50 and 25,995.96

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Solution

The fourth proportional to 62,931, 94,396.50 and 25,995.96 is: 38,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931 : 94,396.50 = 25,995.96 : x
  2. Step 2: Convert to fraction form
    62,931/94,396.50 = 25,995.96/x
  3. Step 3: Cross multiply
    62,931x = 94,396.50 × 25,995.96
  4. Step 4: Simplify right side
    62,931x = 2,453,927,638.14
  5. Step 5: Solve for x
    x = 2,453,927,638.14/62,931
  6. Step 6: Final answer
    x = 38,993.94

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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.