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Finding the Fourth Proportional to 61,323.55, 91,905.74 and 27,564.62

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Solution

The fourth proportional to 61,323.55, 91,905.74 and 27,564.62 is: 41,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.55 : 91,905.74 = 27,564.62 : x
  2. Step 2: Convert to fraction form
    61,323.55/91,905.74 = 27,564.62/x
  3. Step 3: Cross multiply
    61,323.55x = 91,905.74 × 27,564.62
  4. Step 4: Simplify right side
    61,323.55x = 2,533,346,798.92
  5. Step 5: Solve for x
    x = 2,533,346,798.92/61,323.55
  6. Step 6: Final answer
    x = 41,311.16

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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.