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Finding the Fourth Proportional to 15,852.42, 23,786.73 and 8,061.21

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Solution

The fourth proportional to 15,852.42, 23,786.73 and 8,061.21 is: 12,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.42 : 23,786.73 = 8,061.21 : x
  2. Step 2: Convert to fraction form
    15,852.42/23,786.73 = 8,061.21/x
  3. Step 3: Cross multiply
    15,852.42x = 23,786.73 × 8,061.21
  4. Step 4: Simplify right side
    15,852.42x = 191,749,825.74
  5. Step 5: Solve for x
    x = 191,749,825.74/15,852.42
  6. Step 6: Final answer
    x = 12,095.93

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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.