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Finding the Fourth Proportional to 61,683.66, 92,528.78 and 19,566.94

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Solution

The fourth proportional to 61,683.66, 92,528.78 and 19,566.94 is: 29,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.66 : 92,528.78 = 19,566.94 : x
  2. Step 2: Convert to fraction form
    61,683.66/92,528.78 = 19,566.94/x
  3. Step 3: Cross multiply
    61,683.66x = 92,528.78 × 19,566.94
  4. Step 4: Simplify right side
    61,683.66x = 1,810,505,086.53
  5. Step 5: Solve for x
    x = 1,810,505,086.53/61,683.66
  6. Step 6: Final answer
    x = 29,351.45

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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.