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Finding the Fourth Proportional to 4,822.74, 7,230.60 and 3,258.87

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Solution

The fourth proportional to 4,822.74, 7,230.60 and 3,258.87 is: 4,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.74 : 7,230.60 = 3,258.87 : x
  2. Step 2: Convert to fraction form
    4,822.74/7,230.60 = 3,258.87/x
  3. Step 3: Cross multiply
    4,822.74x = 7,230.60 × 3,258.87
  4. Step 4: Simplify right side
    4,822.74x = 23,563,585.42
  5. Step 5: Solve for x
    x = 23,563,585.42/4,822.74
  6. Step 6: Final answer
    x = 4,885.93

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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.