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Finding the Fourth Proportional to 29,368.00, 40,509.40 and 17,422.88

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Solution

The fourth proportional to 29,368.00, 40,509.40 and 17,422.88 is: 24,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.00 : 40,509.40 = 17,422.88 : x
  2. Step 2: Convert to fraction form
    29,368.00/40,509.40 = 17,422.88/x
  3. Step 3: Cross multiply
    29,368.00x = 40,509.40 × 17,422.88
  4. Step 4: Simplify right side
    29,368.00x = 705,790,201.64
  5. Step 5: Solve for x
    x = 705,790,201.64/29,368.00
  6. Step 6: Final answer
    x = 24,032.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.