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Finding the Fourth Proportional to 6,486.93, 8,954.69 and 4,392.27

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Solution

The fourth proportional to 6,486.93, 8,954.69 and 4,392.27 is: 6,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.93 : 8,954.69 = 4,392.27 : x
  2. Step 2: Convert to fraction form
    6,486.93/8,954.69 = 4,392.27/x
  3. Step 3: Cross multiply
    6,486.93x = 8,954.69 × 4,392.27
  4. Step 4: Simplify right side
    6,486.93x = 39,331,394.28
  5. Step 5: Solve for x
    x = 39,331,394.28/6,486.93
  6. Step 6: Final answer
    x = 6,063.18

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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.