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Finding the Fourth Proportional to 32,905.98, 45,411.03 and 18,760.14

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Solution

The fourth proportional to 32,905.98, 45,411.03 and 18,760.14 is: 25,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.98 : 45,411.03 = 18,760.14 : x
  2. Step 2: Convert to fraction form
    32,905.98/45,411.03 = 18,760.14/x
  3. Step 3: Cross multiply
    32,905.98x = 45,411.03 × 18,760.14
  4. Step 4: Simplify right side
    32,905.98x = 851,917,280.34
  5. Step 5: Solve for x
    x = 851,917,280.34/32,905.98
  6. Step 6: Final answer
    x = 25,889.44

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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.