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Finding the Fourth Proportional to 62,840.36, 86,706.62 and 37,355.74

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Solution

The fourth proportional to 62,840.36, 86,706.62 and 37,355.74 is: 51,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.36 : 86,706.62 = 37,355.74 : x
  2. Step 2: Convert to fraction form
    62,840.36/86,706.62 = 37,355.74/x
  3. Step 3: Cross multiply
    62,840.36x = 86,706.62 × 37,355.74
  4. Step 4: Simplify right side
    62,840.36x = 3,238,989,953.00
  5. Step 5: Solve for x
    x = 3,238,989,953.00/62,840.36
  6. Step 6: Final answer
    x = 51,543.15

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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.