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Finding the Fourth Proportional to 57,807.16, 86,722.44 and 32,859.16

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Solution

The fourth proportional to 57,807.16, 86,722.44 and 32,859.16 is: 49,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.16 : 86,722.44 = 32,859.16 : x
  2. Step 2: Convert to fraction form
    57,807.16/86,722.44 = 32,859.16/x
  3. Step 3: Cross multiply
    57,807.16x = 86,722.44 × 32,859.16
  4. Step 4: Simplify right side
    57,807.16x = 2,849,626,531.55
  5. Step 5: Solve for x
    x = 2,849,626,531.55/57,807.16
  6. Step 6: Final answer
    x = 49,295.39

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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.