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Finding the Fourth Proportional to 25,959.88, 35,820.57 and 14,628.79

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Solution

The fourth proportional to 25,959.88, 35,820.57 and 14,628.79 is: 20,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,959.88 : 35,820.57 = 14,628.79 : x
  2. Step 2: Convert to fraction form
    25,959.88/35,820.57 = 14,628.79/x
  3. Step 3: Cross multiply
    25,959.88x = 35,820.57 × 14,628.79
  4. Step 4: Simplify right side
    25,959.88x = 524,011,596.21
  5. Step 5: Solve for x
    x = 524,011,596.21/25,959.88
  6. Step 6: Final answer
    x = 20,185.44

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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.