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Finding the Fourth Proportional to 29,472.98, 40,673.48 and 16,045.11

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Solution

The fourth proportional to 29,472.98, 40,673.48 and 16,045.11 is: 22,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472.98 : 40,673.48 = 16,045.11 : x
  2. Step 2: Convert to fraction form
    29,472.98/40,673.48 = 16,045.11/x
  3. Step 3: Cross multiply
    29,472.98x = 40,673.48 × 16,045.11
  4. Step 4: Simplify right side
    29,472.98x = 652,610,380.46
  5. Step 5: Solve for x
    x = 652,610,380.46/29,472.98
  6. Step 6: Final answer
    x = 22,142.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.