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Finding the Fourth Proportional to 22,035.08, 32,978.82 and 18,086.20

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Solution

The fourth proportional to 22,035.08, 32,978.82 and 18,086.20 is: 27,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.08 : 32,978.82 = 18,086.20 : x
  2. Step 2: Convert to fraction form
    22,035.08/32,978.82 = 18,086.20/x
  3. Step 3: Cross multiply
    22,035.08x = 32,978.82 × 18,086.20
  4. Step 4: Simplify right side
    22,035.08x = 596,461,534.28
  5. Step 5: Solve for x
    x = 596,461,534.28/22,035.08
  6. Step 6: Final answer
    x = 27,068.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.