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Finding the Fourth Proportional to 71,277.80, 106,940.43 and 23,897.57

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Solution

The fourth proportional to 71,277.80, 106,940.43 and 23,897.57 is: 35,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,277.80 : 106,940.43 = 23,897.57 : x
  2. Step 2: Convert to fraction form
    71,277.80/106,940.43 = 23,897.57/x
  3. Step 3: Cross multiply
    71,277.80x = 106,940.43 × 23,897.57
  4. Step 4: Simplify right side
    71,277.80x = 2,555,615,877.05
  5. Step 5: Solve for x
    x = 2,555,615,877.05/71,277.80
  6. Step 6: Final answer
    x = 35,854.31

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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.