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Finding the Fourth Proportional to 6,291.51, 8,683.54 and 4,796.76

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Solution

The fourth proportional to 6,291.51, 8,683.54 and 4,796.76 is: 6,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.51 : 8,683.54 = 4,796.76 : x
  2. Step 2: Convert to fraction form
    6,291.51/8,683.54 = 4,796.76/x
  3. Step 3: Cross multiply
    6,291.51x = 8,683.54 × 4,796.76
  4. Step 4: Simplify right side
    6,291.51x = 41,652,813.91
  5. Step 5: Solve for x
    x = 41,652,813.91/6,291.51
  6. Step 6: Final answer
    x = 6,620.48

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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.