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Finding the Fourth Proportional to 29,479.77, 40,680.03 and 16,733.21

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Solution

The fourth proportional to 29,479.77, 40,680.03 and 16,733.21 is: 23,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.77 : 40,680.03 = 16,733.21 : x
  2. Step 2: Convert to fraction form
    29,479.77/40,680.03 = 16,733.21/x
  3. Step 3: Cross multiply
    29,479.77x = 40,680.03 × 16,733.21
  4. Step 4: Simplify right side
    29,479.77x = 680,707,484.80
  5. Step 5: Solve for x
    x = 680,707,484.80/29,479.77
  6. Step 6: Final answer
    x = 23,090.66

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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.