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Finding the Fourth Proportional to 62,240, 93,360 and 18,464

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Solution

The fourth proportional to 62,240, 93,360 and 18,464 is: 27,696

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,240 : 93,360 = 18,464 : x
  2. Step 2: Convert to fraction form
    62,240/93,360 = 18,464/x
  3. Step 3: Cross multiply
    62,240x = 93,360 × 18,464
  4. Step 4: Simplify right side
    62,240x = 1,723,799,040
  5. Step 5: Solve for x
    x = 1,723,799,040/62,240
  6. Step 6: Final answer
    x = 27,696

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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.