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Finding the Fourth Proportional to 44,574, 66,864.24 and 16,872

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Solution

The fourth proportional to 44,574, 66,864.24 and 16,872 is: 25,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574 : 66,864.24 = 16,872 : x
  2. Step 2: Convert to fraction form
    44,574/66,864.24 = 16,872/x
  3. Step 3: Cross multiply
    44,574x = 66,864.24 × 16,872
  4. Step 4: Simplify right side
    44,574x = 1,128,133,457.28
  5. Step 5: Solve for x
    x = 1,128,133,457.28/44,574
  6. Step 6: Final answer
    x = 25,309.23

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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.