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Finding the Fourth Proportional to 62,316, 93,474 and 18,540

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Solution

The fourth proportional to 62,316, 93,474 and 18,540 is: 27,810

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,316 : 93,474 = 18,540 : x
  2. Step 2: Convert to fraction form
    62,316/93,474 = 18,540/x
  3. Step 3: Cross multiply
    62,316x = 93,474 × 18,540
  4. Step 4: Simplify right side
    62,316x = 1,733,007,960
  5. Step 5: Solve for x
    x = 1,733,007,960/62,316
  6. Step 6: Final answer
    x = 27,810

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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.