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Finding the Fourth Proportional to 52,914.25, 79,371.38 and 15,978.25

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Solution

The fourth proportional to 52,914.25, 79,371.38 and 15,978.25 is: 23,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,914.25 : 79,371.38 = 15,978.25 : x
  2. Step 2: Convert to fraction form
    52,914.25/79,371.38 = 15,978.25/x
  3. Step 3: Cross multiply
    52,914.25x = 79,371.38 × 15,978.25
  4. Step 4: Simplify right side
    52,914.25x = 1,268,215,752.49
  5. Step 5: Solve for x
    x = 1,268,215,752.49/52,914.25
  6. Step 6: Final answer
    x = 23,967.38

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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.