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Finding the Fourth Proportional to 61,342.07, 92,002.43 and 19,789.07

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Solution

The fourth proportional to 61,342.07, 92,002.43 and 19,789.07 is: 29,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,342.07 : 92,002.43 = 19,789.07 : x
  2. Step 2: Convert to fraction form
    61,342.07/92,002.43 = 19,789.07/x
  3. Step 3: Cross multiply
    61,342.07x = 92,002.43 × 19,789.07
  4. Step 4: Simplify right side
    61,342.07x = 1,820,641,968.48
  5. Step 5: Solve for x
    x = 1,820,641,968.48/61,342.07
  6. Step 6: Final answer
    x = 29,680.15

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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.