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Finding the Fourth Proportional to 4,672.99, 6,447.30 and 2,656.25

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Solution

The fourth proportional to 4,672.99, 6,447.30 and 2,656.25 is: 3,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.99 : 6,447.30 = 2,656.25 : x
  2. Step 2: Convert to fraction form
    4,672.99/6,447.30 = 2,656.25/x
  3. Step 3: Cross multiply
    4,672.99x = 6,447.30 × 2,656.25
  4. Step 4: Simplify right side
    4,672.99x = 17,125,622.60
  5. Step 5: Solve for x
    x = 17,125,622.60/4,672.99
  6. Step 6: Final answer
    x = 3,664.81

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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.