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Finding the Fourth Proportional to 7,531.03, 10,393.55 and 4,174.57

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Solution

The fourth proportional to 7,531.03, 10,393.55 and 4,174.57 is: 5,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.03 : 10,393.55 = 4,174.57 : x
  2. Step 2: Convert to fraction form
    7,531.03/10,393.55 = 4,174.57/x
  3. Step 3: Cross multiply
    7,531.03x = 10,393.55 × 4,174.57
  4. Step 4: Simplify right side
    7,531.03x = 43,388,602.02
  5. Step 5: Solve for x
    x = 43,388,602.02/7,531.03
  6. Step 6: Final answer
    x = 5,761.31

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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.