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Finding the Fourth Proportional to 53,504.70, 80,103.45 and 51,968.70

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Solution

The fourth proportional to 53,504.70, 80,103.45 and 51,968.70 is: 77,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504.70 : 80,103.45 = 51,968.70 : x
  2. Step 2: Convert to fraction form
    53,504.70/80,103.45 = 51,968.70/x
  3. Step 3: Cross multiply
    53,504.70x = 80,103.45 × 51,968.70
  4. Step 4: Simplify right side
    53,504.70x = 4,162,872,162.02
  5. Step 5: Solve for x
    x = 4,162,872,162.02/53,504.70
  6. Step 6: Final answer
    x = 77,803.86

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1.5x scale

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.