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Finding the Fourth Proportional to 12,593.48, 18,868.38 and 7,652.74

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Solution

The fourth proportional to 12,593.48, 18,868.38 and 7,652.74 is: 11,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.48 : 18,868.38 = 7,652.74 : x
  2. Step 2: Convert to fraction form
    12,593.48/18,868.38 = 7,652.74/x
  3. Step 3: Cross multiply
    12,593.48x = 18,868.38 × 7,652.74
  4. Step 4: Simplify right side
    12,593.48x = 144,394,806.36
  5. Step 5: Solve for x
    x = 144,394,806.36/12,593.48
  6. Step 6: Final answer
    x = 11,465.84

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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.