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Finding the Fourth Proportional to 25,990.62, 35,867.07 and 14,054.06

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Solution

The fourth proportional to 25,990.62, 35,867.07 and 14,054.06 is: 19,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.62 : 35,867.07 = 14,054.06 : x
  2. Step 2: Convert to fraction form
    25,990.62/35,867.07 = 14,054.06/x
  3. Step 3: Cross multiply
    25,990.62x = 35,867.07 × 14,054.06
  4. Step 4: Simplify right side
    25,990.62x = 504,077,774.47
  5. Step 5: Solve for x
    x = 504,077,774.47/25,990.62
  6. Step 6: Final answer
    x = 19,394.60

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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.