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Finding the Fourth Proportional to 19,751.57, 29,627.35 and 5,900.57

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Solution

The fourth proportional to 19,751.57, 29,627.35 and 5,900.57 is: 8,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.57 : 29,627.35 = 5,900.57 : x
  2. Step 2: Convert to fraction form
    19,751.57/29,627.35 = 5,900.57/x
  3. Step 3: Cross multiply
    19,751.57x = 29,627.35 × 5,900.57
  4. Step 4: Simplify right side
    19,751.57x = 174,818,074.95
  5. Step 5: Solve for x
    x = 174,818,074.95/19,751.57
  6. Step 6: Final answer
    x = 8,850.85

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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.