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Finding the Fourth Proportional to 18,439.52, 25,446.48 and 10,056

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Solution

The fourth proportional to 18,439.52, 25,446.48 and 10,056 is: 13,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.52 : 25,446.48 = 10,056 : x
  2. Step 2: Convert to fraction form
    18,439.52/25,446.48 = 10,056/x
  3. Step 3: Cross multiply
    18,439.52x = 25,446.48 × 10,056
  4. Step 4: Simplify right side
    18,439.52x = 255,889,802.88
  5. Step 5: Solve for x
    x = 255,889,802.88/18,439.52
  6. Step 6: Final answer
    x = 13,877.25

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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.