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Finding the Fourth Proportional to 6,664.88, 9,174.47 and 5,970.51

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Solution

The fourth proportional to 6,664.88, 9,174.47 and 5,970.51 is: 8,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.88 : 9,174.47 = 5,970.51 : x
  2. Step 2: Convert to fraction form
    6,664.88/9,174.47 = 5,970.51/x
  3. Step 3: Cross multiply
    6,664.88x = 9,174.47 × 5,970.51
  4. Step 4: Simplify right side
    6,664.88x = 54,776,235.03
  5. Step 5: Solve for x
    x = 54,776,235.03/6,664.88
  6. Step 6: Final answer
    x = 8,218.63

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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.