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Finding the Fourth Proportional to 6,187.51, 8,538.51 and 3,393.01

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Solution

The fourth proportional to 6,187.51, 8,538.51 and 3,393.01 is: 4,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.51 : 8,538.51 = 3,393.01 : x
  2. Step 2: Convert to fraction form
    6,187.51/8,538.51 = 3,393.01/x
  3. Step 3: Cross multiply
    6,187.51x = 8,538.51 × 3,393.01
  4. Step 4: Simplify right side
    6,187.51x = 28,971,249.82
  5. Step 5: Solve for x
    x = 28,971,249.82/6,187.51
  6. Step 6: Final answer
    x = 4,682.21

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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.