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Finding the Fourth Proportional to 34,429.50, 51,652.89 and 9,805.50

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Solution

The fourth proportional to 34,429.50, 51,652.89 and 9,805.50 is: 14,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,429.50 : 51,652.89 = 9,805.50 : x
  2. Step 2: Convert to fraction form
    34,429.50/51,652.89 = 9,805.50/x
  3. Step 3: Cross multiply
    34,429.50x = 51,652.89 × 9,805.50
  4. Step 4: Simplify right side
    34,429.50x = 506,482,412.90
  5. Step 5: Solve for x
    x = 506,482,412.90/34,429.50
  6. Step 6: Final answer
    x = 14,710.71

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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.