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Finding the Fourth Proportional to 17,907.08, 26,823.71 and 10,489.05

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Solution

The fourth proportional to 17,907.08, 26,823.71 and 10,489.05 is: 15,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.08 : 26,823.71 = 10,489.05 : x
  2. Step 2: Convert to fraction form
    17,907.08/26,823.71 = 10,489.05/x
  3. Step 3: Cross multiply
    17,907.08x = 26,823.71 × 10,489.05
  4. Step 4: Simplify right side
    17,907.08x = 281,355,255.79
  5. Step 5: Solve for x
    x = 281,355,255.79/17,907.08
  6. Step 6: Final answer
    x = 15,711.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.