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Finding the Fourth Proportional to 83,629, 125,486.52 and 55,568.44

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Solution

The fourth proportional to 83,629, 125,486.52 and 55,568.44 is: 83,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,629 : 125,486.52 = 55,568.44 : x
  2. Step 2: Convert to fraction form
    83,629/125,486.52 = 55,568.44/x
  3. Step 3: Cross multiply
    83,629x = 125,486.52 × 55,568.44
  4. Step 4: Simplify right side
    83,629x = 6,973,090,157.43
  5. Step 5: Solve for x
    x = 6,973,090,157.43/83,629
  6. Step 6: Final answer
    x = 83,381.25

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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.