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Finding the Fourth Proportional to 29,809, 44,712.96 and 7,622.02

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Solution

The fourth proportional to 29,809, 44,712.96 and 7,622.02 is: 11,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809 : 44,712.96 = 7,622.02 : x
  2. Step 2: Convert to fraction form
    29,809/44,712.96 = 7,622.02/x
  3. Step 3: Cross multiply
    29,809x = 44,712.96 × 7,622.02
  4. Step 4: Simplify right side
    29,809x = 340,803,075.38
  5. Step 5: Solve for x
    x = 340,803,075.38/29,809
  6. Step 6: Final answer
    x = 11,432.89

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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.