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Finding the Fourth Proportional to 25,837.20, 38,698.20 and 25,261.20

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Solution

The fourth proportional to 25,837.20, 38,698.20 and 25,261.20 is: 37,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.20 : 38,698.20 = 25,261.20 : x
  2. Step 2: Convert to fraction form
    25,837.20/38,698.20 = 25,261.20/x
  3. Step 3: Cross multiply
    25,837.20x = 38,698.20 × 25,261.20
  4. Step 4: Simplify right side
    25,837.20x = 977,562,969.84
  5. Step 5: Solve for x
    x = 977,562,969.84/25,837.20
  6. Step 6: Final answer
    x = 37,835.48

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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.