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Finding the Fourth Proportional to 61,604.79, 92,393.25 and 28,292.84

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Solution

The fourth proportional to 61,604.79, 92,393.25 and 28,292.84 is: 42,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.79 : 92,393.25 = 28,292.84 : x
  2. Step 2: Convert to fraction form
    61,604.79/92,393.25 = 28,292.84/x
  3. Step 3: Cross multiply
    61,604.79x = 92,393.25 × 28,292.84
  4. Step 4: Simplify right side
    61,604.79x = 2,614,066,977.36
  5. Step 5: Solve for x
    x = 2,614,066,977.36/61,604.79
  6. Step 6: Final answer
    x = 42,432.85

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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.