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Finding the Fourth Proportional to 25,509.88, 35,198.17 and 14,894.70

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Solution

The fourth proportional to 25,509.88, 35,198.17 and 14,894.70 is: 20,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.88 : 35,198.17 = 14,894.70 : x
  2. Step 2: Convert to fraction form
    25,509.88/35,198.17 = 14,894.70/x
  3. Step 3: Cross multiply
    25,509.88x = 35,198.17 × 14,894.70
  4. Step 4: Simplify right side
    25,509.88x = 524,266,182.70
  5. Step 5: Solve for x
    x = 524,266,182.70/25,509.88
  6. Step 6: Final answer
    x = 20,551.50

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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.