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Finding the Fourth Proportional to 55,646.73, 83,472.57 and 18,208.98

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Solution

The fourth proportional to 55,646.73, 83,472.57 and 18,208.98 is: 27,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.73 : 83,472.57 = 18,208.98 : x
  2. Step 2: Convert to fraction form
    55,646.73/83,472.57 = 18,208.98/x
  3. Step 3: Cross multiply
    55,646.73x = 83,472.57 × 18,208.98
  4. Step 4: Simplify right side
    55,646.73x = 1,519,950,357.68
  5. Step 5: Solve for x
    x = 1,519,950,357.68/55,646.73
  6. Step 6: Final answer
    x = 27,314.28

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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.