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Finding the Fourth Proportional to 55,662.38, 83,502.22 and 18,723.50

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Solution

The fourth proportional to 55,662.38, 83,502.22 and 18,723.50 is: 28,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.38 : 83,502.22 = 18,723.50 : x
  2. Step 2: Convert to fraction form
    55,662.38/83,502.22 = 18,723.50/x
  3. Step 3: Cross multiply
    55,662.38x = 83,502.22 × 18,723.50
  4. Step 4: Simplify right side
    55,662.38x = 1,563,453,816.17
  5. Step 5: Solve for x
    x = 1,563,453,816.17/55,662.38
  6. Step 6: Final answer
    x = 28,088.16

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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.