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Finding the Fourth Proportional to 22,461.99, 33,656.04 and 17,811.87

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Solution

The fourth proportional to 22,461.99, 33,656.04 and 17,811.87 is: 26,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.99 : 33,656.04 = 17,811.87 : x
  2. Step 2: Convert to fraction form
    22,461.99/33,656.04 = 17,811.87/x
  3. Step 3: Cross multiply
    22,461.99x = 33,656.04 × 17,811.87
  4. Step 4: Simplify right side
    22,461.99x = 599,477,009.19
  5. Step 5: Solve for x
    x = 599,477,009.19/22,461.99
  6. Step 6: Final answer
    x = 26,688.51

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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.