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Finding the Fourth Proportional to 18,762.49, 25,892.04 and 10,264.53

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Solution

The fourth proportional to 18,762.49, 25,892.04 and 10,264.53 is: 14,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.49 : 25,892.04 = 10,264.53 : x
  2. Step 2: Convert to fraction form
    18,762.49/25,892.04 = 10,264.53/x
  3. Step 3: Cross multiply
    18,762.49x = 25,892.04 × 10,264.53
  4. Step 4: Simplify right side
    18,762.49x = 265,769,621.34
  5. Step 5: Solve for x
    x = 265,769,621.34/18,762.49
  6. Step 6: Final answer
    x = 14,164.94

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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.