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Finding the Fourth Proportional to 58,671.63, 88,014.83 and 28,686.87

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Solution

The fourth proportional to 58,671.63, 88,014.83 and 28,686.87 is: 43,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.63 : 88,014.83 = 28,686.87 : x
  2. Step 2: Convert to fraction form
    58,671.63/88,014.83 = 28,686.87/x
  3. Step 3: Cross multiply
    58,671.63x = 88,014.83 × 28,686.87
  4. Step 4: Simplify right side
    58,671.63x = 2,524,869,842.85
  5. Step 5: Solve for x
    x = 2,524,869,842.85/58,671.63
  6. Step 6: Final answer
    x = 43,033.91

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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.