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Finding the Fourth Proportional to 62,980, 94,374.78 and 37,992.28

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Solution

The fourth proportional to 62,980, 94,374.78 and 37,992.28 is: 56,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980 : 94,374.78 = 37,992.28 : x
  2. Step 2: Convert to fraction form
    62,980/94,374.78 = 37,992.28/x
  3. Step 3: Cross multiply
    62,980x = 94,374.78 × 37,992.28
  4. Step 4: Simplify right side
    62,980x = 3,585,513,066.70
  5. Step 5: Solve for x
    x = 3,585,513,066.70/62,980
  6. Step 6: Final answer
    x = 56,930.98

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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.