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Finding the Fourth Proportional to 40,694.98, 61,048.59 and 14,399.98

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Solution

The fourth proportional to 40,694.98, 61,048.59 and 14,399.98 is: 21,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.98 : 61,048.59 = 14,399.98 : x
  2. Step 2: Convert to fraction form
    40,694.98/61,048.59 = 14,399.98/x
  3. Step 3: Cross multiply
    40,694.98x = 61,048.59 × 14,399.98
  4. Step 4: Simplify right side
    40,694.98x = 879,098,475.03
  5. Step 5: Solve for x
    x = 879,098,475.03/40,694.98
  6. Step 6: Final answer
    x = 21,602.14

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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.