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Finding the Fourth Proportional to 62,253.62, 93,378 and 17,880.20

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Solution

The fourth proportional to 62,253.62, 93,378 and 17,880.20 is: 26,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,253.62 : 93,378 = 17,880.20 : x
  2. Step 2: Convert to fraction form
    62,253.62/93,378 = 17,880.20/x
  3. Step 3: Cross multiply
    62,253.62x = 93,378 × 17,880.20
  4. Step 4: Simplify right side
    62,253.62x = 1,669,617,315.60
  5. Step 5: Solve for x
    x = 1,669,617,315.60/62,253.62
  6. Step 6: Final answer
    x = 26,819.60

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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.