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Finding the Fourth Proportional to 25,868.75, 35,698.92 and 14,690.75

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Solution

The fourth proportional to 25,868.75, 35,698.92 and 14,690.75 is: 20,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.75 : 35,698.92 = 14,690.75 : x
  2. Step 2: Convert to fraction form
    25,868.75/35,698.92 = 14,690.75/x
  3. Step 3: Cross multiply
    25,868.75x = 35,698.92 × 14,690.75
  4. Step 4: Simplify right side
    25,868.75x = 524,443,908.99
  5. Step 5: Solve for x
    x = 524,443,908.99/25,868.75
  6. Step 6: Final answer
    x = 20,273.26

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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.