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Finding the Fourth Proportional to 57,886.79, 86,975.51 and 36,835.99

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Solution

The fourth proportional to 57,886.79, 86,975.51 and 36,835.99 is: 55,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.79 : 86,975.51 = 36,835.99 : x
  2. Step 2: Convert to fraction form
    57,886.79/86,975.51 = 36,835.99/x
  3. Step 3: Cross multiply
    57,886.79x = 86,975.51 × 36,835.99
  4. Step 4: Simplify right side
    57,886.79x = 3,203,828,614.99
  5. Step 5: Solve for x
    x = 3,203,828,614.99/57,886.79
  6. Step 6: Final answer
    x = 55,346.46

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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.