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Finding the Fourth Proportional to 61,846.56, 92,698.02 and 28,496.61

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Solution

The fourth proportional to 61,846.56, 92,698.02 and 28,496.61 is: 42,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846.56 : 92,698.02 = 28,496.61 : x
  2. Step 2: Convert to fraction form
    61,846.56/92,698.02 = 28,496.61/x
  3. Step 3: Cross multiply
    61,846.56x = 92,698.02 × 28,496.61
  4. Step 4: Simplify right side
    61,846.56x = 2,641,579,323.71
  5. Step 5: Solve for x
    x = 2,641,579,323.71/61,846.56
  6. Step 6: Final answer
    x = 42,711.82

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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.