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Finding the Fourth Proportional to 51,073.80, 76,617.90 and 16,009.80

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Solution

The fourth proportional to 51,073.80, 76,617.90 and 16,009.80 is: 24,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.80 : 76,617.90 = 16,009.80 : x
  2. Step 2: Convert to fraction form
    51,073.80/76,617.90 = 16,009.80/x
  3. Step 3: Cross multiply
    51,073.80x = 76,617.90 × 16,009.80
  4. Step 4: Simplify right side
    51,073.80x = 1,226,637,255.42
  5. Step 5: Solve for x
    x = 1,226,637,255.42/51,073.80
  6. Step 6: Final answer
    x = 24,016.96

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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.