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Finding the Fourth Proportional to 29,045.41, 43,564.01 and 9,321.40

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Solution

The fourth proportional to 29,045.41, 43,564.01 and 9,321.40 is: 13,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.41 : 43,564.01 = 9,321.40 : x
  2. Step 2: Convert to fraction form
    29,045.41/43,564.01 = 9,321.40/x
  3. Step 3: Cross multiply
    29,045.41x = 43,564.01 × 9,321.40
  4. Step 4: Simplify right side
    29,045.41x = 406,077,784.94
  5. Step 5: Solve for x
    x = 406,077,784.94/29,045.41
  6. Step 6: Final answer
    x = 13,980.79

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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.