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Finding the Fourth Proportional to 13,594.63, 18,759.09 and 7,625.07

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Solution

The fourth proportional to 13,594.63, 18,759.09 and 7,625.07 is: 10,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.63 : 18,759.09 = 7,625.07 : x
  2. Step 2: Convert to fraction form
    13,594.63/18,759.09 = 7,625.07/x
  3. Step 3: Cross multiply
    13,594.63x = 18,759.09 × 7,625.07
  4. Step 4: Simplify right side
    13,594.63x = 143,039,374.39
  5. Step 5: Solve for x
    x = 143,039,374.39/13,594.63
  6. Step 6: Final answer
    x = 10,521.76

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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.