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Finding the Fourth Proportional to 7,053.91, 9,735.39 and 4,069.12

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Solution

The fourth proportional to 7,053.91, 9,735.39 and 4,069.12 is: 5,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.91 : 9,735.39 = 4,069.12 : x
  2. Step 2: Convert to fraction form
    7,053.91/9,735.39 = 4,069.12/x
  3. Step 3: Cross multiply
    7,053.91x = 9,735.39 × 4,069.12
  4. Step 4: Simplify right side
    7,053.91x = 39,614,470.16
  5. Step 5: Solve for x
    x = 39,614,470.16/7,053.91
  6. Step 6: Final answer
    x = 5,615.96

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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.