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Finding the Fourth Proportional to 29,907.99, 41,272.04 and 16,479.20

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Solution

The fourth proportional to 29,907.99, 41,272.04 and 16,479.20 is: 22,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.99 : 41,272.04 = 16,479.20 : x
  2. Step 2: Convert to fraction form
    29,907.99/41,272.04 = 16,479.20/x
  3. Step 3: Cross multiply
    29,907.99x = 41,272.04 × 16,479.20
  4. Step 4: Simplify right side
    29,907.99x = 680,129,912.81
  5. Step 5: Solve for x
    x = 680,129,912.81/29,907.99
  6. Step 6: Final answer
    x = 22,740.74

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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.