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Finding the Fourth Proportional to 6,129.67, 9,194.55 and 1,512.67

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Solution

The fourth proportional to 6,129.67, 9,194.55 and 1,512.67 is: 2,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.67 : 9,194.55 = 1,512.67 : x
  2. Step 2: Convert to fraction form
    6,129.67/9,194.55 = 1,512.67/x
  3. Step 3: Cross multiply
    6,129.67x = 9,194.55 × 1,512.67
  4. Step 4: Simplify right side
    6,129.67x = 13,908,319.95
  5. Step 5: Solve for x
    x = 13,908,319.95/6,129.67
  6. Step 6: Final answer
    x = 2,269.02

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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.