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Finding the Fourth Proportional to 48,854.40, 73,281.60 and 48,562.80

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Solution

The fourth proportional to 48,854.40, 73,281.60 and 48,562.80 is: 72,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,854.40 : 73,281.60 = 48,562.80 : x
  2. Step 2: Convert to fraction form
    48,854.40/73,281.60 = 48,562.80/x
  3. Step 3: Cross multiply
    48,854.40x = 73,281.60 × 48,562.80
  4. Step 4: Simplify right side
    48,854.40x = 3,558,759,684.48
  5. Step 5: Solve for x
    x = 3,558,759,684.48/48,854.40
  6. Step 6: Final answer
    x = 72,844.20

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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.