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Finding the Fourth Proportional to 5,473.97, 7,546.53 and 4,128.96

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Solution

The fourth proportional to 5,473.97, 7,546.53 and 4,128.96 is: 5,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.97 : 7,546.53 = 4,128.96 : x
  2. Step 2: Convert to fraction form
    5,473.97/7,546.53 = 4,128.96/x
  3. Step 3: Cross multiply
    5,473.97x = 7,546.53 × 4,128.96
  4. Step 4: Simplify right side
    5,473.97x = 31,159,320.51
  5. Step 5: Solve for x
    x = 31,159,320.51/5,473.97
  6. Step 6: Final answer
    x = 5,692.27

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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.