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Finding the Fourth Proportional to 65,076.25, 89,805.29 and 35,268.25

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Solution

The fourth proportional to 65,076.25, 89,805.29 and 35,268.25 is: 48,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,076.25 : 89,805.29 = 35,268.25 : x
  2. Step 2: Convert to fraction form
    65,076.25/89,805.29 = 35,268.25/x
  3. Step 3: Cross multiply
    65,076.25x = 89,805.29 × 35,268.25
  4. Step 4: Simplify right side
    65,076.25x = 3,167,275,419.04
  5. Step 5: Solve for x
    x = 3,167,275,419.04/65,076.25
  6. Step 6: Final answer
    x = 48,670.22

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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.