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Finding the Fourth Proportional to 16,665, 24,997.77 and 4,818.93

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Solution

The fourth proportional to 16,665, 24,997.77 and 4,818.93 is: 7,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665 : 24,997.77 = 4,818.93 : x
  2. Step 2: Convert to fraction form
    16,665/24,997.77 = 4,818.93/x
  3. Step 3: Cross multiply
    16,665x = 24,997.77 × 4,818.93
  4. Step 4: Simplify right side
    16,665x = 120,462,503.79
  5. Step 5: Solve for x
    x = 120,462,503.79/16,665
  6. Step 6: Final answer
    x = 7,228.47

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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.