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Finding the Fourth Proportional to 6,290.54, 8,676.94 and 4,051.60

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Solution

The fourth proportional to 6,290.54, 8,676.94 and 4,051.60 is: 5,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.54 : 8,676.94 = 4,051.60 : x
  2. Step 2: Convert to fraction form
    6,290.54/8,676.94 = 4,051.60/x
  3. Step 3: Cross multiply
    6,290.54x = 8,676.94 × 4,051.60
  4. Step 4: Simplify right side
    6,290.54x = 35,155,490.10
  5. Step 5: Solve for x
    x = 35,155,490.10/6,290.54
  6. Step 6: Final answer
    x = 5,588.63

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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.