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Finding the Fourth Proportional to 34,860.52, 48,107.97 and 18,945.22

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Solution

The fourth proportional to 34,860.52, 48,107.97 and 18,945.22 is: 26,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.52 : 48,107.97 = 18,945.22 : x
  2. Step 2: Convert to fraction form
    34,860.52/48,107.97 = 18,945.22/x
  3. Step 3: Cross multiply
    34,860.52x = 48,107.97 × 18,945.22
  4. Step 4: Simplify right side
    34,860.52x = 911,416,075.40
  5. Step 5: Solve for x
    x = 911,416,075.40/34,860.52
  6. Step 6: Final answer
    x = 26,144.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.