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Finding the Fourth Proportional to 37,783.92, 56,676.78 and 16,719.48

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Solution

The fourth proportional to 37,783.92, 56,676.78 and 16,719.48 is: 25,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,783.92 : 56,676.78 = 16,719.48 : x
  2. Step 2: Convert to fraction form
    37,783.92/56,676.78 = 16,719.48/x
  3. Step 3: Cross multiply
    37,783.92x = 56,676.78 × 16,719.48
  4. Step 4: Simplify right side
    37,783.92x = 947,606,289.67
  5. Step 5: Solve for x
    x = 947,606,289.67/37,783.92
  6. Step 6: Final answer
    x = 25,079.62

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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.