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Finding the Fourth Proportional to 6,829.56, 9,415.98 and 4,470.84

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Solution

The fourth proportional to 6,829.56, 9,415.98 and 4,470.84 is: 6,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.56 : 9,415.98 = 4,470.84 : x
  2. Step 2: Convert to fraction form
    6,829.56/9,415.98 = 4,470.84/x
  3. Step 3: Cross multiply
    6,829.56x = 9,415.98 × 4,470.84
  4. Step 4: Simplify right side
    6,829.56x = 42,097,340.02
  5. Step 5: Solve for x
    x = 42,097,340.02/6,829.56
  6. Step 6: Final answer
    x = 6,163.99

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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.