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Finding the Fourth Proportional to 47,998.99, 72,004.56 and 16,415.11

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Solution

The fourth proportional to 47,998.99, 72,004.56 and 16,415.11 is: 24,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.99 : 72,004.56 = 16,415.11 : x
  2. Step 2: Convert to fraction form
    47,998.99/72,004.56 = 16,415.11/x
  3. Step 3: Cross multiply
    47,998.99x = 72,004.56 × 16,415.11
  4. Step 4: Simplify right side
    47,998.99x = 1,181,962,772.90
  5. Step 5: Solve for x
    x = 1,181,962,772.90/47,998.99
  6. Step 6: Final answer
    x = 24,624.74

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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.