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Finding the Fourth Proportional to 29,011.40, 43,491.96 and 17,300

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Solution

The fourth proportional to 29,011.40, 43,491.96 and 17,300 is: 25,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.40 : 43,491.96 = 17,300 : x
  2. Step 2: Convert to fraction form
    29,011.40/43,491.96 = 17,300/x
  3. Step 3: Cross multiply
    29,011.40x = 43,491.96 × 17,300
  4. Step 4: Simplify right side
    29,011.40x = 752,410,908
  5. Step 5: Solve for x
    x = 752,410,908/29,011.40
  6. Step 6: Final answer
    x = 25,935.01

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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.