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Finding the Fourth Proportional to 51,954.48, 77,940.90 and 16,887.96

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Solution

The fourth proportional to 51,954.48, 77,940.90 and 16,887.96 is: 25,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,954.48 : 77,940.90 = 16,887.96 : x
  2. Step 2: Convert to fraction form
    51,954.48/77,940.90 = 16,887.96/x
  3. Step 3: Cross multiply
    51,954.48x = 77,940.90 × 16,887.96
  4. Step 4: Simplify right side
    51,954.48x = 1,316,262,801.56
  5. Step 5: Solve for x
    x = 1,316,262,801.56/51,954.48
  6. Step 6: Final answer
    x = 25,334.92

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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.