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Finding the Fourth Proportional to 45,903.91, 68,846.14 and 14,731.87

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Solution

The fourth proportional to 45,903.91, 68,846.14 and 14,731.87 is: 22,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.91 : 68,846.14 = 14,731.87 : x
  2. Step 2: Convert to fraction form
    45,903.91/68,846.14 = 14,731.87/x
  3. Step 3: Cross multiply
    45,903.91x = 68,846.14 × 14,731.87
  4. Step 4: Simplify right side
    45,903.91x = 1,014,232,384.48
  5. Step 5: Solve for x
    x = 1,014,232,384.48/45,903.91
  6. Step 6: Final answer
    x = 22,094.68

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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.