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Finding the Fourth Proportional to 45,967.80, 68,959.80 and 16,402.80

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Solution

The fourth proportional to 45,967.80, 68,959.80 and 16,402.80 is: 24,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.80 : 68,959.80 = 16,402.80 : x
  2. Step 2: Convert to fraction form
    45,967.80/68,959.80 = 16,402.80/x
  3. Step 3: Cross multiply
    45,967.80x = 68,959.80 × 16,402.80
  4. Step 4: Simplify right side
    45,967.80x = 1,131,133,807.44
  5. Step 5: Solve for x
    x = 1,131,133,807.44/45,967.80
  6. Step 6: Final answer
    x = 24,607.09

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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.