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Finding the Fourth Proportional to 18,119.84, 25,003.08 and 10,568.64

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Solution

The fourth proportional to 18,119.84, 25,003.08 and 10,568.64 is: 14,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.84 : 25,003.08 = 10,568.64 : x
  2. Step 2: Convert to fraction form
    18,119.84/25,003.08 = 10,568.64/x
  3. Step 3: Cross multiply
    18,119.84x = 25,003.08 × 10,568.64
  4. Step 4: Simplify right side
    18,119.84x = 264,248,551.41
  5. Step 5: Solve for x
    x = 264,248,551.41/18,119.84
  6. Step 6: Final answer
    x = 14,583.38

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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.