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Finding the Fourth Proportional to 48,880.60, 73,148.10 and 33,328.60

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Solution

The fourth proportional to 48,880.60, 73,148.10 and 33,328.60 is: 49,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880.60 : 73,148.10 = 33,328.60 : x
  2. Step 2: Convert to fraction form
    48,880.60/73,148.10 = 33,328.60/x
  3. Step 3: Cross multiply
    48,880.60x = 73,148.10 × 33,328.60
  4. Step 4: Simplify right side
    48,880.60x = 2,437,923,765.66
  5. Step 5: Solve for x
    x = 2,437,923,765.66/48,880.60
  6. Step 6: Final answer
    x = 49,875.08

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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.