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Finding the Fourth Proportional to 18,599.63, 25,660.17 and 10,637.60

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Solution

The fourth proportional to 18,599.63, 25,660.17 and 10,637.60 is: 14,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.63 : 25,660.17 = 10,637.60 : x
  2. Step 2: Convert to fraction form
    18,599.63/25,660.17 = 10,637.60/x
  3. Step 3: Cross multiply
    18,599.63x = 25,660.17 × 10,637.60
  4. Step 4: Simplify right side
    18,599.63x = 272,962,496.09
  5. Step 5: Solve for x
    x = 272,962,496.09/18,599.63
  6. Step 6: Final answer
    x = 14,675.70

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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.