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Finding the Fourth Proportional to 4,662.36, 6,990.91 and 4,265.16

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Solution

The fourth proportional to 4,662.36, 6,990.91 and 4,265.16 is: 6,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.36 : 6,990.91 = 4,265.16 : x
  2. Step 2: Convert to fraction form
    4,662.36/6,990.91 = 4,265.16/x
  3. Step 3: Cross multiply
    4,662.36x = 6,990.91 × 4,265.16
  4. Step 4: Simplify right side
    4,662.36x = 29,817,312.82
  5. Step 5: Solve for x
    x = 29,817,312.82/4,662.36
  6. Step 6: Final answer
    x = 6,395.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.