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Finding the Fourth Proportional to 7,080.01, 9,770.67 and 3,893.55

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Solution

The fourth proportional to 7,080.01, 9,770.67 and 3,893.55 is: 5,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.01 : 9,770.67 = 3,893.55 : x
  2. Step 2: Convert to fraction form
    7,080.01/9,770.67 = 3,893.55/x
  3. Step 3: Cross multiply
    7,080.01x = 9,770.67 × 3,893.55
  4. Step 4: Simplify right side
    7,080.01x = 38,042,572.71
  5. Step 5: Solve for x
    x = 38,042,572.71/7,080.01
  6. Step 6: Final answer
    x = 5,373.24

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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.