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Finding the Fourth Proportional to 29,045.31, 43,563.84 and 9,321.32

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Solution

The fourth proportional to 29,045.31, 43,563.84 and 9,321.32 is: 13,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.31 : 43,563.84 = 9,321.32 : x
  2. Step 2: Convert to fraction form
    29,045.31/43,563.84 = 9,321.32/x
  3. Step 3: Cross multiply
    29,045.31x = 43,563.84 × 9,321.32
  4. Step 4: Simplify right side
    29,045.31x = 406,072,493.07
  5. Step 5: Solve for x
    x = 406,072,493.07/29,045.31
  6. Step 6: Final answer
    x = 13,980.66

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1.5x scale

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.