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Finding the Fourth Proportional to 29,700, 44,554.68 and 14,112.36

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Solution

The fourth proportional to 29,700, 44,554.68 and 14,112.36 is: 21,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700 : 44,554.68 = 14,112.36 : x
  2. Step 2: Convert to fraction form
    29,700/44,554.68 = 14,112.36/x
  3. Step 3: Cross multiply
    29,700x = 44,554.68 × 14,112.36
  4. Step 4: Simplify right side
    29,700x = 628,771,683.84
  5. Step 5: Solve for x
    x = 628,771,683.84/29,700
  6. Step 6: Final answer
    x = 21,170.76

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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.