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Finding the Fourth Proportional to 29,042, 40,090.24 and 19,623.32

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Solution

The fourth proportional to 29,042, 40,090.24 and 19,623.32 is: 27,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042 : 40,090.24 = 19,623.32 : x
  2. Step 2: Convert to fraction form
    29,042/40,090.24 = 19,623.32/x
  3. Step 3: Cross multiply
    29,042x = 40,090.24 × 19,623.32
  4. Step 4: Simplify right side
    29,042x = 786,703,608.40
  5. Step 5: Solve for x
    x = 786,703,608.40/29,042
  6. Step 6: Final answer
    x = 27,088.48

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