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Finding the Fourth Proportional to 58,171.86, 87,276.60 and 28,568.94

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Solution

The fourth proportional to 58,171.86, 87,276.60 and 28,568.94 is: 42,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.86 : 87,276.60 = 28,568.94 : x
  2. Step 2: Convert to fraction form
    58,171.86/87,276.60 = 28,568.94/x
  3. Step 3: Cross multiply
    58,171.86x = 87,276.60 × 28,568.94
  4. Step 4: Simplify right side
    58,171.86x = 2,493,399,369.58
  5. Step 5: Solve for x
    x = 2,493,399,369.58/58,171.86
  6. Step 6: Final answer
    x = 42,862.64

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1.5x scale

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.