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Finding the Fourth Proportional to 61,544.43, 92,316.65 and 19,454.08

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Solution

The fourth proportional to 61,544.43, 92,316.65 and 19,454.08 is: 29,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,544.43 : 92,316.65 = 19,454.08 : x
  2. Step 2: Convert to fraction form
    61,544.43/92,316.65 = 19,454.08/x
  3. Step 3: Cross multiply
    61,544.43x = 92,316.65 × 19,454.08
  4. Step 4: Simplify right side
    61,544.43x = 1,795,935,291.72
  5. Step 5: Solve for x
    x = 1,795,935,291.72/61,544.43
  6. Step 6: Final answer
    x = 29,181.12

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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.