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Finding the Fourth Proportional to 51,963.50, 77,958.48 and 14,523.60

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Solution

The fourth proportional to 51,963.50, 77,958.48 and 14,523.60 is: 21,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.50 : 77,958.48 = 14,523.60 : x
  2. Step 2: Convert to fraction form
    51,963.50/77,958.48 = 14,523.60/x
  3. Step 3: Cross multiply
    51,963.50x = 77,958.48 × 14,523.60
  4. Step 4: Simplify right side
    51,963.50x = 1,132,237,780.13
  5. Step 5: Solve for x
    x = 1,132,237,780.13/51,963.50
  6. Step 6: Final answer
    x = 21,789.10

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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.