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Finding the Fourth Proportional to 2,453.47, 3,385.80 and 1,334.41

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Solution

The fourth proportional to 2,453.47, 3,385.80 and 1,334.41 is: 1,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.47 : 3,385.80 = 1,334.41 : x
  2. Step 2: Convert to fraction form
    2,453.47/3,385.80 = 1,334.41/x
  3. Step 3: Cross multiply
    2,453.47x = 3,385.80 × 1,334.41
  4. Step 4: Simplify right side
    2,453.47x = 4,518,045.38
  5. Step 5: Solve for x
    x = 4,518,045.38/2,453.47
  6. Step 6: Final answer
    x = 1,841.49

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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.