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Finding the Fourth Proportional to 29,623.62, 40,881.07 and 17,688.00

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Solution

The fourth proportional to 29,623.62, 40,881.07 and 17,688.00 is: 24,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,623.62 : 40,881.07 = 17,688.00 : x
  2. Step 2: Convert to fraction form
    29,623.62/40,881.07 = 17,688.00/x
  3. Step 3: Cross multiply
    29,623.62x = 40,881.07 × 17,688.00
  4. Step 4: Simplify right side
    29,623.62x = 723,104,161.75
  5. Step 5: Solve for x
    x = 723,104,161.75/29,623.62
  6. Step 6: Final answer
    x = 24,409.72

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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.