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Finding the Fourth Proportional to 25,296.40, 37,975.80 and 15,936.40

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Solution

The fourth proportional to 25,296.40, 37,975.80 and 15,936.40 is: 23,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.40 : 37,975.80 = 15,936.40 : x
  2. Step 2: Convert to fraction form
    25,296.40/37,975.80 = 15,936.40/x
  3. Step 3: Cross multiply
    25,296.40x = 37,975.80 × 15,936.40
  4. Step 4: Simplify right side
    25,296.40x = 605,197,539.12
  5. Step 5: Solve for x
    x = 605,197,539.12/25,296.40
  6. Step 6: Final answer
    x = 23,924.26

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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.