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Finding the Fourth Proportional to 62,530.42, 86,291.76 and 34,235.86

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Solution

The fourth proportional to 62,530.42, 86,291.76 and 34,235.86 is: 47,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,530.42 : 86,291.76 = 34,235.86 : x
  2. Step 2: Convert to fraction form
    62,530.42/86,291.76 = 34,235.86/x
  3. Step 3: Cross multiply
    62,530.42x = 86,291.76 × 34,235.86
  4. Step 4: Simplify right side
    62,530.42x = 2,954,272,614.51
  5. Step 5: Solve for x
    x = 2,954,272,614.51/62,530.42
  6. Step 6: Final answer
    x = 47,245.37

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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.