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Finding the Fourth Proportional to 29,300.78, 43,956.62 and 9,580.38

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Solution

The fourth proportional to 29,300.78, 43,956.62 and 9,580.38 is: 14,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.78 : 43,956.62 = 9,580.38 : x
  2. Step 2: Convert to fraction form
    29,300.78/43,956.62 = 9,580.38/x
  3. Step 3: Cross multiply
    29,300.78x = 43,956.62 × 9,580.38
  4. Step 4: Simplify right side
    29,300.78x = 421,121,123.12
  5. Step 5: Solve for x
    x = 421,121,123.12/29,300.78
  6. Step 6: Final answer
    x = 14,372.35

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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.