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Finding the Fourth Proportional to 18,064.84, 24,927.20 and 10,513.60

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Solution

The fourth proportional to 18,064.84, 24,927.20 and 10,513.60 is: 14,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.84 : 24,927.20 = 10,513.60 : x
  2. Step 2: Convert to fraction form
    18,064.84/24,927.20 = 10,513.60/x
  3. Step 3: Cross multiply
    18,064.84x = 24,927.20 × 10,513.60
  4. Step 4: Simplify right side
    18,064.84x = 262,074,609.92
  5. Step 5: Solve for x
    x = 262,074,609.92/18,064.84
  6. Step 6: Final answer
    x = 14,507.44

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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.