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Finding the Fourth Proportional to 34,649.46, 47,816.16 and 18,733.92

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Solution

The fourth proportional to 34,649.46, 47,816.16 and 18,733.92 is: 25,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,649.46 : 47,816.16 = 18,733.92 : x
  2. Step 2: Convert to fraction form
    34,649.46/47,816.16 = 18,733.92/x
  3. Step 3: Cross multiply
    34,649.46x = 47,816.16 × 18,733.92
  4. Step 4: Simplify right side
    34,649.46x = 895,784,116.15
  5. Step 5: Solve for x
    x = 895,784,116.15/34,649.46
  6. Step 6: Final answer
    x = 25,852.76

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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.