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Finding the Fourth Proportional to 40,674.70, 61,022.05 and 14,021.10

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Solution

The fourth proportional to 40,674.70, 61,022.05 and 14,021.10 is: 21,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,674.70 : 61,022.05 = 14,021.10 : x
  2. Step 2: Convert to fraction form
    40,674.70/61,022.05 = 14,021.10/x
  3. Step 3: Cross multiply
    40,674.70x = 61,022.05 × 14,021.10
  4. Step 4: Simplify right side
    40,674.70x = 855,596,265.26
  5. Step 5: Solve for x
    x = 855,596,265.26/40,674.70
  6. Step 6: Final answer
    x = 21,035.10

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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.