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Finding the Fourth Proportional to 45,903.60, 68,839.20 and 16,322.40

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Solution

The fourth proportional to 45,903.60, 68,839.20 and 16,322.40 is: 24,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.60 : 68,839.20 = 16,322.40 : x
  2. Step 2: Convert to fraction form
    45,903.60/68,839.20 = 16,322.40/x
  3. Step 3: Cross multiply
    45,903.60x = 68,839.20 × 16,322.40
  4. Step 4: Simplify right side
    45,903.60x = 1,123,620,958.08
  5. Step 5: Solve for x
    x = 1,123,620,958.08/45,903.60
  6. Step 6: Final answer
    x = 24,477.84

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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.