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Finding the Fourth Proportional to 53,412.60, 80,237.70 and 44,664.60

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Solution

The fourth proportional to 53,412.60, 80,237.70 and 44,664.60 is: 67,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.60 : 80,237.70 = 44,664.60 : x
  2. Step 2: Convert to fraction form
    53,412.60/80,237.70 = 44,664.60/x
  3. Step 3: Cross multiply
    53,412.60x = 80,237.70 × 44,664.60
  4. Step 4: Simplify right side
    53,412.60x = 3,583,784,775.42
  5. Step 5: Solve for x
    x = 3,583,784,775.42/53,412.60
  6. Step 6: Final answer
    x = 67,096.24

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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.