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Finding the Fourth Proportional to 58,533.64, 87,730.09 and 33,590.90

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Solution

The fourth proportional to 58,533.64, 87,730.09 and 33,590.90 is: 50,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.64 : 87,730.09 = 33,590.90 : x
  2. Step 2: Convert to fraction form
    58,533.64/87,730.09 = 33,590.90/x
  3. Step 3: Cross multiply
    58,533.64x = 87,730.09 × 33,590.90
  4. Step 4: Simplify right side
    58,533.64x = 2,946,932,815.53
  5. Step 5: Solve for x
    x = 2,946,932,815.53/58,533.64
  6. Step 6: Final answer
    x = 50,345.97

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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.