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Finding the Fourth Proportional to 8,465.01, 12,694.71 and 2,918.22

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Solution

The fourth proportional to 8,465.01, 12,694.71 and 2,918.22 is: 4,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.01 : 12,694.71 = 2,918.22 : x
  2. Step 2: Convert to fraction form
    8,465.01/12,694.71 = 2,918.22/x
  3. Step 3: Cross multiply
    8,465.01x = 12,694.71 × 2,918.22
  4. Step 4: Simplify right side
    8,465.01x = 37,045,956.62
  5. Step 5: Solve for x
    x = 37,045,956.62/8,465.01
  6. Step 6: Final answer
    x = 4,376.36

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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.