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Finding the Fourth Proportional to 29,556.42, 40,787.07 and 16,127.67

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Solution

The fourth proportional to 29,556.42, 40,787.07 and 16,127.67 is: 22,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.42 : 40,787.07 = 16,127.67 : x
  2. Step 2: Convert to fraction form
    29,556.42/40,787.07 = 16,127.67/x
  3. Step 3: Cross multiply
    29,556.42x = 40,787.07 × 16,127.67
  4. Step 4: Simplify right side
    29,556.42x = 657,800,405.23
  5. Step 5: Solve for x
    x = 657,800,405.23/29,556.42
  6. Step 6: Final answer
    x = 22,255.75

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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.