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Finding the Fourth Proportional to 39,374.40, 59,061.60 and 27,564.60

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Solution

The fourth proportional to 39,374.40, 59,061.60 and 27,564.60 is: 41,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.40 : 59,061.60 = 27,564.60 : x
  2. Step 2: Convert to fraction form
    39,374.40/59,061.60 = 27,564.60/x
  3. Step 3: Cross multiply
    39,374.40x = 59,061.60 × 27,564.60
  4. Step 4: Simplify right side
    39,374.40x = 1,628,009,379.36
  5. Step 5: Solve for x
    x = 1,628,009,379.36/39,374.40
  6. Step 6: Final answer
    x = 41,346.90

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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.