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Finding the Fourth Proportional to 30,184.76, 41,644.14 and 16,936.76

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Solution

The fourth proportional to 30,184.76, 41,644.14 and 16,936.76 is: 23,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.76 : 41,644.14 = 16,936.76 : x
  2. Step 2: Convert to fraction form
    30,184.76/41,644.14 = 16,936.76/x
  3. Step 3: Cross multiply
    30,184.76x = 41,644.14 × 16,936.76
  4. Step 4: Simplify right side
    30,184.76x = 705,316,804.59
  5. Step 5: Solve for x
    x = 705,316,804.59/30,184.76
  6. Step 6: Final answer
    x = 23,366.65

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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.