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Finding the Fourth Proportional to 61,488.66, 92,236.32 and 19,372.06

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Solution

The fourth proportional to 61,488.66, 92,236.32 and 19,372.06 is: 29,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488.66 : 92,236.32 = 19,372.06 : x
  2. Step 2: Convert to fraction form
    61,488.66/92,236.32 = 19,372.06/x
  3. Step 3: Cross multiply
    61,488.66x = 92,236.32 × 19,372.06
  4. Step 4: Simplify right side
    61,488.66x = 1,786,807,525.22
  5. Step 5: Solve for x
    x = 1,786,807,525.22/61,488.66
  6. Step 6: Final answer
    x = 29,059.14

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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.