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Finding the Fourth Proportional to 53,360.79, 80,064.41 and 25,300.50

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Solution

The fourth proportional to 53,360.79, 80,064.41 and 25,300.50 is: 37,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.79 : 80,064.41 = 25,300.50 : x
  2. Step 2: Convert to fraction form
    53,360.79/80,064.41 = 25,300.50/x
  3. Step 3: Cross multiply
    53,360.79x = 80,064.41 × 25,300.50
  4. Step 4: Simplify right side
    53,360.79x = 2,025,669,478.70
  5. Step 5: Solve for x
    x = 2,025,669,478.70/53,360.79
  6. Step 6: Final answer
    x = 37,961.76

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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.