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Finding the Fourth Proportional to 45,000.28, 67,502.22 and 16,917.40

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Solution

The fourth proportional to 45,000.28, 67,502.22 and 16,917.40 is: 25,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.28 : 67,502.22 = 16,917.40 : x
  2. Step 2: Convert to fraction form
    45,000.28/67,502.22 = 16,917.40/x
  3. Step 3: Cross multiply
    45,000.28x = 67,502.22 × 16,917.40
  4. Step 4: Simplify right side
    45,000.28x = 1,141,962,056.63
  5. Step 5: Solve for x
    x = 1,141,962,056.63/45,000.28
  6. Step 6: Final answer
    x = 25,376.78

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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.