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Finding the Fourth Proportional to 55,477.10, 83,227.80 and 18,030.80

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Solution

The fourth proportional to 55,477.10, 83,227.80 and 18,030.80 is: 27,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.10 : 83,227.80 = 18,030.80 : x
  2. Step 2: Convert to fraction form
    55,477.10/83,227.80 = 18,030.80/x
  3. Step 3: Cross multiply
    55,477.10x = 83,227.80 × 18,030.80
  4. Step 4: Simplify right side
    55,477.10x = 1,500,663,816.24
  5. Step 5: Solve for x
    x = 1,500,663,816.24/55,477.10
  6. Step 6: Final answer
    x = 27,050.15

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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.