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Finding the Fourth Proportional to 32,611.87, 48,880 and 15,045.13

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Solution

The fourth proportional to 32,611.87, 48,880 and 15,045.13 is: 22,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.87 : 48,880 = 15,045.13 : x
  2. Step 2: Convert to fraction form
    32,611.87/48,880 = 15,045.13/x
  3. Step 3: Cross multiply
    32,611.87x = 48,880 × 15,045.13
  4. Step 4: Simplify right side
    32,611.87x = 735,405,954.40
  5. Step 5: Solve for x
    x = 735,405,954.40/32,611.87
  6. Step 6: Final answer
    x = 22,550.25

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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.