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Finding the Fourth Proportional to 6,208.80, 9,334.80 and 5,258.40

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Solution

The fourth proportional to 6,208.80, 9,334.80 and 5,258.40 is: 7,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.80 : 9,334.80 = 5,258.40 : x
  2. Step 2: Convert to fraction form
    6,208.80/9,334.80 = 5,258.40/x
  3. Step 3: Cross multiply
    6,208.80x = 9,334.80 × 5,258.40
  4. Step 4: Simplify right side
    6,208.80x = 49,086,112.32
  5. Step 5: Solve for x
    x = 49,086,112.32/6,208.80
  6. Step 6: Final answer
    x = 7,905.89

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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.