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Finding the Fourth Proportional to 61,439.72, 92,011.95 and 35,064.50

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Solution

The fourth proportional to 61,439.72, 92,011.95 and 35,064.50 is: 52,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.72 : 92,011.95 = 35,064.50 : x
  2. Step 2: Convert to fraction form
    61,439.72/92,011.95 = 35,064.50/x
  3. Step 3: Cross multiply
    61,439.72x = 92,011.95 × 35,064.50
  4. Step 4: Simplify right side
    61,439.72x = 3,226,352,560.72
  5. Step 5: Solve for x
    x = 3,226,352,560.72/61,439.72
  6. Step 6: Final answer
    x = 52,512.49

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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.