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Finding the Fourth Proportional to 4,673.36, 7,015.11 and 4,156.68

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Solution

The fourth proportional to 4,673.36, 7,015.11 and 4,156.68 is: 6,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.36 : 7,015.11 = 4,156.68 : x
  2. Step 2: Convert to fraction form
    4,673.36/7,015.11 = 4,156.68/x
  3. Step 3: Cross multiply
    4,673.36x = 7,015.11 × 4,156.68
  4. Step 4: Simplify right side
    4,673.36x = 29,159,578.15
  5. Step 5: Solve for x
    x = 29,159,578.15/4,673.36
  6. Step 6: Final answer
    x = 6,239.53

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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.