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Finding the Fourth Proportional to 4,945.53, 7,412.01 and 4,816.33

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Solution

The fourth proportional to 4,945.53, 7,412.01 and 4,816.33 is: 7,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.53 : 7,412.01 = 4,816.33 : x
  2. Step 2: Convert to fraction form
    4,945.53/7,412.01 = 4,816.33/x
  3. Step 3: Cross multiply
    4,945.53x = 7,412.01 × 4,816.33
  4. Step 4: Simplify right side
    4,945.53x = 35,698,686.12
  5. Step 5: Solve for x
    x = 35,698,686.12/4,945.53
  6. Step 6: Final answer
    x = 7,218.37

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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.