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Finding the Fourth Proportional to 62,960.84, 93,980.61 and 55,487.68

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Solution

The fourth proportional to 62,960.84, 93,980.61 and 55,487.68 is: 82,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,960.84 : 93,980.61 = 55,487.68 : x
  2. Step 2: Convert to fraction form
    62,960.84/93,980.61 = 55,487.68/x
  3. Step 3: Cross multiply
    62,960.84x = 93,980.61 × 55,487.68
  4. Step 4: Simplify right side
    62,960.84x = 5,214,765,405.26
  5. Step 5: Solve for x
    x = 5,214,765,405.26/62,960.84
  6. Step 6: Final answer
    x = 82,825.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.