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Finding the Fourth Proportional to 4,975.30, 7,452.15 and 4,003.30

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Solution

The fourth proportional to 4,975.30, 7,452.15 and 4,003.30 is: 5,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.30 : 7,452.15 = 4,003.30 : x
  2. Step 2: Convert to fraction form
    4,975.30/7,452.15 = 4,003.30/x
  3. Step 3: Cross multiply
    4,975.30x = 7,452.15 × 4,003.30
  4. Step 4: Simplify right side
    4,975.30x = 29,833,192.10
  5. Step 5: Solve for x
    x = 29,833,192.10/4,975.30
  6. Step 6: Final answer
    x = 5,996.26

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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.