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Finding the Fourth Proportional to 32,999.80, 49,499.70 and 18,201.10

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Solution

The fourth proportional to 32,999.80, 49,499.70 and 18,201.10 is: 27,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.80 : 49,499.70 = 18,201.10 : x
  2. Step 2: Convert to fraction form
    32,999.80/49,499.70 = 18,201.10/x
  3. Step 3: Cross multiply
    32,999.80x = 49,499.70 × 18,201.10
  4. Step 4: Simplify right side
    32,999.80x = 900,948,989.67
  5. Step 5: Solve for x
    x = 900,948,989.67/32,999.80
  6. Step 6: Final answer
    x = 27,301.65

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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.