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Finding the Fourth Proportional to 37,683, 56,525.58 and 9,981

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Solution

The fourth proportional to 37,683, 56,525.58 and 9,981 is: 14,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683 : 56,525.58 = 9,981 : x
  2. Step 2: Convert to fraction form
    37,683/56,525.58 = 9,981/x
  3. Step 3: Cross multiply
    37,683x = 56,525.58 × 9,981
  4. Step 4: Simplify right side
    37,683x = 564,181,813.98
  5. Step 5: Solve for x
    x = 564,181,813.98/37,683
  6. Step 6: Final answer
    x = 14,971.79

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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.