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Finding the Fourth Proportional to 61,994.77, 93,000.92 and 19,865.00

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Solution

The fourth proportional to 61,994.77, 93,000.92 and 19,865.00 is: 29,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,994.77 : 93,000.92 = 19,865.00 : x
  2. Step 2: Convert to fraction form
    61,994.77/93,000.92 = 19,865.00/x
  3. Step 3: Cross multiply
    61,994.77x = 93,000.92 × 19,865.00
  4. Step 4: Simplify right side
    61,994.77x = 1,847,463,408.98
  5. Step 5: Solve for x
    x = 1,847,463,408.98/61,994.77
  6. Step 6: Final answer
    x = 29,800.31

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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.