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Finding the Fourth Proportional to 32,625.61, 45,026.50 and 18,287.88

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Solution

The fourth proportional to 32,625.61, 45,026.50 and 18,287.88 is: 25,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.61 : 45,026.50 = 18,287.88 : x
  2. Step 2: Convert to fraction form
    32,625.61/45,026.50 = 18,287.88/x
  3. Step 3: Cross multiply
    32,625.61x = 45,026.50 × 18,287.88
  4. Step 4: Simplify right side
    32,625.61x = 823,439,228.82
  5. Step 5: Solve for x
    x = 823,439,228.82/32,625.61
  6. Step 6: Final answer
    x = 25,239.04

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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.