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Finding the Fourth Proportional to 18,757, 25,884.66 and 10,374.04

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Solution

The fourth proportional to 18,757, 25,884.66 and 10,374.04 is: 14,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757 : 25,884.66 = 10,374.04 : x
  2. Step 2: Convert to fraction form
    18,757/25,884.66 = 10,374.04/x
  3. Step 3: Cross multiply
    18,757x = 25,884.66 × 10,374.04
  4. Step 4: Simplify right side
    18,757x = 268,528,498.23
  5. Step 5: Solve for x
    x = 268,528,498.23/18,757
  6. Step 6: Final answer
    x = 14,316.18

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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.