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Finding the Fourth Proportional to 12,593.79, 17,378.01 and 7,558.25

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Solution

The fourth proportional to 12,593.79, 17,378.01 and 7,558.25 is: 10,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.79 : 17,378.01 = 7,558.25 : x
  2. Step 2: Convert to fraction form
    12,593.79/17,378.01 = 7,558.25/x
  3. Step 3: Cross multiply
    12,593.79x = 17,378.01 × 7,558.25
  4. Step 4: Simplify right side
    12,593.79x = 131,347,257.19
  5. Step 5: Solve for x
    x = 131,347,257.19/12,593.79
  6. Step 6: Final answer
    x = 10,429.53

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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.