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Finding the Fourth Proportional to 48,244.40, 72,443.40 and 32,730.80

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Solution

The fourth proportional to 48,244.40, 72,443.40 and 32,730.80 is: 49,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,244.40 : 72,443.40 = 32,730.80 : x
  2. Step 2: Convert to fraction form
    48,244.40/72,443.40 = 32,730.80/x
  3. Step 3: Cross multiply
    48,244.40x = 72,443.40 × 32,730.80
  4. Step 4: Simplify right side
    48,244.40x = 2,371,130,436.72
  5. Step 5: Solve for x
    x = 2,371,130,436.72/48,244.40
  6. Step 6: Final answer
    x = 49,148.30

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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.