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Finding the Fourth Proportional to 6,858.51, 9,456.12 and 5,598.27

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Solution

The fourth proportional to 6,858.51, 9,456.12 and 5,598.27 is: 7,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.51 : 9,456.12 = 5,598.27 : x
  2. Step 2: Convert to fraction form
    6,858.51/9,456.12 = 5,598.27/x
  3. Step 3: Cross multiply
    6,858.51x = 9,456.12 × 5,598.27
  4. Step 4: Simplify right side
    6,858.51x = 52,937,912.91
  5. Step 5: Solve for x
    x = 52,937,912.91/6,858.51
  6. Step 6: Final answer
    x = 7,718.57

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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.