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Finding the Fourth Proportional to 6,348.60, 8,761.06 and 3,554.12

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Solution

The fourth proportional to 6,348.60, 8,761.06 and 3,554.12 is: 4,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.60 : 8,761.06 = 3,554.12 : x
  2. Step 2: Convert to fraction form
    6,348.60/8,761.06 = 3,554.12/x
  3. Step 3: Cross multiply
    6,348.60x = 8,761.06 × 3,554.12
  4. Step 4: Simplify right side
    6,348.60x = 31,137,858.57
  5. Step 5: Solve for x
    x = 31,137,858.57/6,348.60
  6. Step 6: Final answer
    x = 4,904.68

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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.