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Finding the Fourth Proportional to 12,759.84, 17,606.03 and 7,453.26

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Solution

The fourth proportional to 12,759.84, 17,606.03 and 7,453.26 is: 10,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.84 : 17,606.03 = 7,453.26 : x
  2. Step 2: Convert to fraction form
    12,759.84/17,606.03 = 7,453.26/x
  3. Step 3: Cross multiply
    12,759.84x = 17,606.03 × 7,453.26
  4. Step 4: Simplify right side
    12,759.84x = 131,222,281.89
  5. Step 5: Solve for x
    x = 131,222,281.89/12,759.84
  6. Step 6: Final answer
    x = 10,284.01

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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.