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Finding the Fourth Proportional to 35,189.94, 48,572.37 and 20,090.94

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Solution

The fourth proportional to 35,189.94, 48,572.37 and 20,090.94 is: 27,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.94 : 48,572.37 = 20,090.94 : x
  2. Step 2: Convert to fraction form
    35,189.94/48,572.37 = 20,090.94/x
  3. Step 3: Cross multiply
    35,189.94x = 48,572.37 × 20,090.94
  4. Step 4: Simplify right side
    35,189.94x = 975,864,571.33
  5. Step 5: Solve for x
    x = 975,864,571.33/35,189.94
  6. Step 6: Final answer
    x = 27,731.35

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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.