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Finding the Fourth Proportional to 5,047.70, 7,573.18 and 1,537.84

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Solution

The fourth proportional to 5,047.70, 7,573.18 and 1,537.84 is: 2,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.70 : 7,573.18 = 1,537.84 : x
  2. Step 2: Convert to fraction form
    5,047.70/7,573.18 = 1,537.84/x
  3. Step 3: Cross multiply
    5,047.70x = 7,573.18 × 1,537.84
  4. Step 4: Simplify right side
    5,047.70x = 11,646,339.13
  5. Step 5: Solve for x
    x = 11,646,339.13/5,047.70
  6. Step 6: Final answer
    x = 2,307.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.