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Finding the Fourth Proportional to 55,369.80, 83,051.80 and 15,925.37

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Solution

The fourth proportional to 55,369.80, 83,051.80 and 15,925.37 is: 23,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.80 : 83,051.80 = 15,925.37 : x
  2. Step 2: Convert to fraction form
    55,369.80/83,051.80 = 15,925.37/x
  3. Step 3: Cross multiply
    55,369.80x = 83,051.80 × 15,925.37
  4. Step 4: Simplify right side
    55,369.80x = 1,322,630,189.09
  5. Step 5: Solve for x
    x = 1,322,630,189.09/55,369.80
  6. Step 6: Final answer
    x = 23,887.21

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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.