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Finding the Fourth Proportional to 35,486.44, 48,971.64 and 19,571.50

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Solution

The fourth proportional to 35,486.44, 48,971.64 and 19,571.50 is: 27,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.44 : 48,971.64 = 19,571.50 : x
  2. Step 2: Convert to fraction form
    35,486.44/48,971.64 = 19,571.50/x
  3. Step 3: Cross multiply
    35,486.44x = 48,971.64 × 19,571.50
  4. Step 4: Simplify right side
    35,486.44x = 958,448,452.26
  5. Step 5: Solve for x
    x = 958,448,452.26/35,486.44
  6. Step 6: Final answer
    x = 27,008.86

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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.