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Finding the Fourth Proportional to 32,388, 44,714.88 and 21,229.44

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Solution

The fourth proportional to 32,388, 44,714.88 and 21,229.44 is: 29,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388 : 44,714.88 = 21,229.44 : x
  2. Step 2: Convert to fraction form
    32,388/44,714.88 = 21,229.44/x
  3. Step 3: Cross multiply
    32,388x = 44,714.88 × 21,229.44
  4. Step 4: Simplify right side
    32,388x = 949,271,862.07
  5. Step 5: Solve for x
    x = 949,271,862.07/32,388
  6. Step 6: Final answer
    x = 29,309.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.