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Finding the Fourth Proportional to 4,836.85, 7,258.51 and 1,758.85

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Solution

The fourth proportional to 4,836.85, 7,258.51 and 1,758.85 is: 2,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.85 : 7,258.51 = 1,758.85 : x
  2. Step 2: Convert to fraction form
    4,836.85/7,258.51 = 1,758.85/x
  3. Step 3: Cross multiply
    4,836.85x = 7,258.51 × 1,758.85
  4. Step 4: Simplify right side
    4,836.85x = 12,766,607.77
  5. Step 5: Solve for x
    x = 12,766,607.77/4,836.85
  6. Step 6: Final answer
    x = 2,639.45

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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.