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Finding the Fourth Proportional to 33,386, 46,072.68 and 18,482

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Solution

The fourth proportional to 33,386, 46,072.68 and 18,482 is: 25,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386 : 46,072.68 = 18,482 : x
  2. Step 2: Convert to fraction form
    33,386/46,072.68 = 18,482/x
  3. Step 3: Cross multiply
    33,386x = 46,072.68 × 18,482
  4. Step 4: Simplify right side
    33,386x = 851,515,271.76
  5. Step 5: Solve for x
    x = 851,515,271.76/33,386
  6. Step 6: Final answer
    x = 25,505.16

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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.