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Finding the Fourth Proportional to 6,976.63, 9,628.35 and 3,833.42

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Solution

The fourth proportional to 6,976.63, 9,628.35 and 3,833.42 is: 5,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.63 : 9,628.35 = 3,833.42 : x
  2. Step 2: Convert to fraction form
    6,976.63/9,628.35 = 3,833.42/x
  3. Step 3: Cross multiply
    6,976.63x = 9,628.35 × 3,833.42
  4. Step 4: Simplify right side
    6,976.63x = 36,909,509.46
  5. Step 5: Solve for x
    x = 36,909,509.46/6,976.63
  6. Step 6: Final answer
    x = 5,290.45

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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.