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Finding the Fourth Proportional to 7,069.97, 10,609.04 and 3,784.91

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Solution

The fourth proportional to 7,069.97, 10,609.04 and 3,784.91 is: 5,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.97 : 10,609.04 = 3,784.91 : x
  2. Step 2: Convert to fraction form
    7,069.97/10,609.04 = 3,784.91/x
  3. Step 3: Cross multiply
    7,069.97x = 10,609.04 × 3,784.91
  4. Step 4: Simplify right side
    7,069.97x = 40,154,218.00
  5. Step 5: Solve for x
    x = 40,154,218.00/7,069.97
  6. Step 6: Final answer
    x = 5,679.54

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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.