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Finding the Fourth Proportional to 33,106.99, 45,688.24 and 17,999.99

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Solution

The fourth proportional to 33,106.99, 45,688.24 and 17,999.99 is: 24,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.99 : 45,688.24 = 17,999.99 : x
  2. Step 2: Convert to fraction form
    33,106.99/45,688.24 = 17,999.99/x
  3. Step 3: Cross multiply
    33,106.99x = 45,688.24 × 17,999.99
  4. Step 4: Simplify right side
    33,106.99x = 822,387,544.68
  5. Step 5: Solve for x
    x = 822,387,544.68/33,106.99
  6. Step 6: Final answer
    x = 24,840.30

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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.