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Finding the Fourth Proportional to 45,807.40, 68,690.04 and 16,226.20

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Solution

The fourth proportional to 45,807.40, 68,690.04 and 16,226.20 is: 24,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.40 : 68,690.04 = 16,226.20 : x
  2. Step 2: Convert to fraction form
    45,807.40/68,690.04 = 16,226.20/x
  3. Step 3: Cross multiply
    45,807.40x = 68,690.04 × 16,226.20
  4. Step 4: Simplify right side
    45,807.40x = 1,114,578,327.05
  5. Step 5: Solve for x
    x = 1,114,578,327.05/45,807.40
  6. Step 6: Final answer
    x = 24,331.84

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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.