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Finding the Fourth Proportional to 32,389.31, 44,708.44 and 18,964.88

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Solution

The fourth proportional to 32,389.31, 44,708.44 and 18,964.88 is: 26,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.31 : 44,708.44 = 18,964.88 : x
  2. Step 2: Convert to fraction form
    32,389.31/44,708.44 = 18,964.88/x
  3. Step 3: Cross multiply
    32,389.31x = 44,708.44 × 18,964.88
  4. Step 4: Simplify right side
    32,389.31x = 847,890,263.95
  5. Step 5: Solve for x
    x = 847,890,263.95/32,389.31
  6. Step 6: Final answer
    x = 26,178.09

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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.