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Finding the Fourth Proportional to 57,011.85, 78,718.03 and 36,880.52

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Solution

The fourth proportional to 57,011.85, 78,718.03 and 36,880.52 is: 50,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.85 : 78,718.03 = 36,880.52 : x
  2. Step 2: Convert to fraction form
    57,011.85/78,718.03 = 36,880.52/x
  3. Step 3: Cross multiply
    57,011.85x = 78,718.03 × 36,880.52
  4. Step 4: Simplify right side
    57,011.85x = 2,903,161,393.98
  5. Step 5: Solve for x
    x = 2,903,161,393.98/57,011.85
  6. Step 6: Final answer
    x = 50,922.07

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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.