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Finding the Fourth Proportional to 8,707.95, 13,052.19 and 3,770.19

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Solution

The fourth proportional to 8,707.95, 13,052.19 and 3,770.19 is: 5,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.95 : 13,052.19 = 3,770.19 : x
  2. Step 2: Convert to fraction form
    8,707.95/13,052.19 = 3,770.19/x
  3. Step 3: Cross multiply
    8,707.95x = 13,052.19 × 3,770.19
  4. Step 4: Simplify right side
    8,707.95x = 49,209,236.22
  5. Step 5: Solve for x
    x = 49,209,236.22/8,707.95
  6. Step 6: Final answer
    x = 5,651.07

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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.