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Finding the Fourth Proportional to 6,559.84, 9,047.46 and 4,202.20

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Solution

The fourth proportional to 6,559.84, 9,047.46 and 4,202.20 is: 5,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,559.84 : 9,047.46 = 4,202.20 : x
  2. Step 2: Convert to fraction form
    6,559.84/9,047.46 = 4,202.20/x
  3. Step 3: Cross multiply
    6,559.84x = 9,047.46 × 4,202.20
  4. Step 4: Simplify right side
    6,559.84x = 38,019,236.41
  5. Step 5: Solve for x
    x = 38,019,236.41/6,559.84
  6. Step 6: Final answer
    x = 5,795.76

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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.