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Finding the Fourth Proportional to 25,868.63, 35,698.76 and 14,690.63

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Solution

The fourth proportional to 25,868.63, 35,698.76 and 14,690.63 is: 20,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.63 : 35,698.76 = 14,690.63 : x
  2. Step 2: Convert to fraction form
    25,868.63/35,698.76 = 14,690.63/x
  3. Step 3: Cross multiply
    25,868.63x = 35,698.76 × 14,690.63
  4. Step 4: Simplify right side
    25,868.63x = 524,437,022.67
  5. Step 5: Solve for x
    x = 524,437,022.67/25,868.63
  6. Step 6: Final answer
    x = 20,273.09

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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.