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Finding the Fourth Proportional to 7,371.01, 10,172.16 and 4,014.01

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Solution

The fourth proportional to 7,371.01, 10,172.16 and 4,014.01 is: 5,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.01 : 10,172.16 = 4,014.01 : x
  2. Step 2: Convert to fraction form
    7,371.01/10,172.16 = 4,014.01/x
  3. Step 3: Cross multiply
    7,371.01x = 10,172.16 × 4,014.01
  4. Step 4: Simplify right side
    7,371.01x = 40,831,151.96
  5. Step 5: Solve for x
    x = 40,831,151.96/7,371.01
  6. Step 6: Final answer
    x = 5,539.42

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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.