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Finding the Fourth Proportional to 62,804.34, 86,600.88 and 53,239.86

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Solution

The fourth proportional to 62,804.34, 86,600.88 and 53,239.86 is: 73,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,804.34 : 86,600.88 = 53,239.86 : x
  2. Step 2: Convert to fraction form
    62,804.34/86,600.88 = 53,239.86/x
  3. Step 3: Cross multiply
    62,804.34x = 86,600.88 × 53,239.86
  4. Step 4: Simplify right side
    62,804.34x = 4,610,618,727.08
  5. Step 5: Solve for x
    x = 4,610,618,727.08/62,804.34
  6. Step 6: Final answer
    x = 73,412.42

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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.