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Finding the Fourth Proportional to 15,859.74, 23,804.37 and 8,074.38

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Solution

The fourth proportional to 15,859.74, 23,804.37 and 8,074.38 is: 12,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.74 : 23,804.37 = 8,074.38 : x
  2. Step 2: Convert to fraction form
    15,859.74/23,804.37 = 8,074.38/x
  3. Step 3: Cross multiply
    15,859.74x = 23,804.37 × 8,074.38
  4. Step 4: Simplify right side
    15,859.74x = 192,205,529.04
  5. Step 5: Solve for x
    x = 192,205,529.04/15,859.74
  6. Step 6: Final answer
    x = 12,119.08

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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.