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Finding the Fourth Proportional to 55,216.40, 82,824.60 and 48,304.40

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Solution

The fourth proportional to 55,216.40, 82,824.60 and 48,304.40 is: 72,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.40 : 82,824.60 = 48,304.40 : x
  2. Step 2: Convert to fraction form
    55,216.40/82,824.60 = 48,304.40/x
  3. Step 3: Cross multiply
    55,216.40x = 82,824.60 × 48,304.40
  4. Step 4: Simplify right side
    55,216.40x = 4,000,792,608.24
  5. Step 5: Solve for x
    x = 4,000,792,608.24/55,216.40
  6. Step 6: Final answer
    x = 72,456.60

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1.5x scale

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.