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Finding the Fourth Proportional to 48,608.48, 67,084.48 and 28,464.16

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Solution

The fourth proportional to 48,608.48, 67,084.48 and 28,464.16 is: 39,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.48 : 67,084.48 = 28,464.16 : x
  2. Step 2: Convert to fraction form
    48,608.48/67,084.48 = 28,464.16/x
  3. Step 3: Cross multiply
    48,608.48x = 67,084.48 × 28,464.16
  4. Step 4: Simplify right side
    48,608.48x = 1,909,503,372.24
  5. Step 5: Solve for x
    x = 1,909,503,372.24/48,608.48
  6. Step 6: Final answer
    x = 39,283.34

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1.5x scale

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.