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Finding the Fourth Proportional to 12,774.35, 17,623.71 and 9,425.16

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Solution

The fourth proportional to 12,774.35, 17,623.71 and 9,425.16 is: 13,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.35 : 17,623.71 = 9,425.16 : x
  2. Step 2: Convert to fraction form
    12,774.35/17,623.71 = 9,425.16/x
  3. Step 3: Cross multiply
    12,774.35x = 17,623.71 × 9,425.16
  4. Step 4: Simplify right side
    12,774.35x = 166,106,198.43
  5. Step 5: Solve for x
    x = 166,106,198.43/12,774.35
  6. Step 6: Final answer
    x = 13,003.10

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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.