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Finding the Fourth Proportional to 35,090.53, 48,427.81 and 19,987.92

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Solution

The fourth proportional to 35,090.53, 48,427.81 and 19,987.92 is: 27,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090.53 : 48,427.81 = 19,987.92 : x
  2. Step 2: Convert to fraction form
    35,090.53/48,427.81 = 19,987.92/x
  3. Step 3: Cross multiply
    35,090.53x = 48,427.81 × 19,987.92
  4. Step 4: Simplify right side
    35,090.53x = 967,971,142.09
  5. Step 5: Solve for x
    x = 967,971,142.09/35,090.53
  6. Step 6: Final answer
    x = 27,584.97

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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.