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Finding the Fourth Proportional to 58,590.61, 87,768.36 and 26,956.60

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Solution

The fourth proportional to 58,590.61, 87,768.36 and 26,956.60 is: 40,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590.61 : 87,768.36 = 26,956.60 : x
  2. Step 2: Convert to fraction form
    58,590.61/87,768.36 = 26,956.60/x
  3. Step 3: Cross multiply
    58,590.61x = 87,768.36 × 26,956.60
  4. Step 4: Simplify right side
    58,590.61x = 2,365,936,353.76
  5. Step 5: Solve for x
    x = 2,365,936,353.76/58,590.61
  6. Step 6: Final answer
    x = 40,380.81

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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.