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Finding the Fourth Proportional to 30,050.46, 41,468.46 and 16,620.84

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Solution

The fourth proportional to 30,050.46, 41,468.46 and 16,620.84 is: 22,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.46 : 41,468.46 = 16,620.84 : x
  2. Step 2: Convert to fraction form
    30,050.46/41,468.46 = 16,620.84/x
  3. Step 3: Cross multiply
    30,050.46x = 41,468.46 × 16,620.84
  4. Step 4: Simplify right side
    30,050.46x = 689,240,638.71
  5. Step 5: Solve for x
    x = 689,240,638.71/30,050.46
  6. Step 6: Final answer
    x = 22,936.11

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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.