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Finding the Fourth Proportional to 25,951.76, 35,809.84 and 14,619.36

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Solution

The fourth proportional to 25,951.76, 35,809.84 and 14,619.36 is: 20,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.76 : 35,809.84 = 14,619.36 : x
  2. Step 2: Convert to fraction form
    25,951.76/35,809.84 = 14,619.36/x
  3. Step 3: Cross multiply
    25,951.76x = 35,809.84 × 14,619.36
  4. Step 4: Simplify right side
    25,951.76x = 523,516,942.50
  5. Step 5: Solve for x
    x = 523,516,942.50/25,951.76
  6. Step 6: Final answer
    x = 20,172.70

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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.