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Finding the Fourth Proportional to 25,711.71, 35,481.69 and 14,533.71

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Solution

The fourth proportional to 25,711.71, 35,481.69 and 14,533.71 is: 20,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.71 : 35,481.69 = 14,533.71 : x
  2. Step 2: Convert to fraction form
    25,711.71/35,481.69 = 14,533.71/x
  3. Step 3: Cross multiply
    25,711.71x = 35,481.69 × 14,533.71
  4. Step 4: Simplify right side
    25,711.71x = 515,680,592.77
  5. Step 5: Solve for x
    x = 515,680,592.77/25,711.71
  6. Step 6: Final answer
    x = 20,056.25

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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.