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Finding the Fourth Proportional to 32,551.40, 48,843.30 and 12,830.60

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Solution

The fourth proportional to 32,551.40, 48,843.30 and 12,830.60 is: 19,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,551.40 : 48,843.30 = 12,830.60 : x
  2. Step 2: Convert to fraction form
    32,551.40/48,843.30 = 12,830.60/x
  3. Step 3: Cross multiply
    32,551.40x = 48,843.30 × 12,830.60
  4. Step 4: Simplify right side
    32,551.40x = 626,688,844.98
  5. Step 5: Solve for x
    x = 626,688,844.98/32,551.40
  6. Step 6: Final answer
    x = 19,252.29

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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.