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Finding the Fourth Proportional to 32,985, 45,519.30 and 18,080.68

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Solution

The fourth proportional to 32,985, 45,519.30 and 18,080.68 is: 24,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985 : 45,519.30 = 18,080.68 : x
  2. Step 2: Convert to fraction form
    32,985/45,519.30 = 18,080.68/x
  3. Step 3: Cross multiply
    32,985x = 45,519.30 × 18,080.68
  4. Step 4: Simplify right side
    32,985x = 823,019,897.12
  5. Step 5: Solve for x
    x = 823,019,897.12/32,985
  6. Step 6: Final answer
    x = 24,951.34

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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.