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Finding the Fourth Proportional to 32,631, 45,026.96 and 19,199.30

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Solution

The fourth proportional to 32,631, 45,026.96 and 19,199.30 is: 26,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631 : 45,026.96 = 19,199.30 : x
  2. Step 2: Convert to fraction form
    32,631/45,026.96 = 19,199.30/x
  3. Step 3: Cross multiply
    32,631x = 45,026.96 × 19,199.30
  4. Step 4: Simplify right side
    32,631x = 864,486,113.13
  5. Step 5: Solve for x
    x = 864,486,113.13/32,631
  6. Step 6: Final answer
    x = 26,492.79

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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.