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Finding the Fourth Proportional to 32,893.98, 45,394.47 and 18,748.14

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Solution

The fourth proportional to 32,893.98, 45,394.47 and 18,748.14 is: 25,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.98 : 45,394.47 = 18,748.14 : x
  2. Step 2: Convert to fraction form
    32,893.98/45,394.47 = 18,748.14/x
  3. Step 3: Cross multiply
    32,893.98x = 45,394.47 × 18,748.14
  4. Step 4: Simplify right side
    32,893.98x = 851,061,878.79
  5. Step 5: Solve for x
    x = 851,061,878.79/32,893.98
  6. Step 6: Final answer
    x = 25,872.88

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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.