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Finding the Fourth Proportional to 5,537, 7,641.60 and 3,053

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Solution

The fourth proportional to 5,537, 7,641.60 and 3,053 is: 4,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537 : 7,641.60 = 3,053 : x
  2. Step 2: Convert to fraction form
    5,537/7,641.60 = 3,053/x
  3. Step 3: Cross multiply
    5,537x = 7,641.60 × 3,053
  4. Step 4: Simplify right side
    5,537x = 23,329,804.80
  5. Step 5: Solve for x
    x = 23,329,804.80/5,537
  6. Step 6: Final answer
    x = 4,213.44

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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.