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Finding the Fourth Proportional to 64,594.62, 89,140.62 and 37,374.54

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Solution

The fourth proportional to 64,594.62, 89,140.62 and 37,374.54 is: 51,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,594.62 : 89,140.62 = 37,374.54 : x
  2. Step 2: Convert to fraction form
    64,594.62/89,140.62 = 37,374.54/x
  3. Step 3: Cross multiply
    64,594.62x = 89,140.62 × 37,374.54
  4. Step 4: Simplify right side
    64,594.62x = 3,331,589,667.81
  5. Step 5: Solve for x
    x = 3,331,589,667.81/64,594.62
  6. Step 6: Final answer
    x = 51,576.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.