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Finding the Fourth Proportional to 55,788.48, 83,682.60 and 14,235.48

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Solution

The fourth proportional to 55,788.48, 83,682.60 and 14,235.48 is: 21,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.48 : 83,682.60 = 14,235.48 : x
  2. Step 2: Convert to fraction form
    55,788.48/83,682.60 = 14,235.48/x
  3. Step 3: Cross multiply
    55,788.48x = 83,682.60 × 14,235.48
  4. Step 4: Simplify right side
    55,788.48x = 1,191,261,978.65
  5. Step 5: Solve for x
    x = 1,191,261,978.65/55,788.48
  6. Step 6: Final answer
    x = 21,353.19

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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.