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Finding the Fourth Proportional to 55,653.44, 83,488.92 and 18,204.71

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Solution

The fourth proportional to 55,653.44, 83,488.92 and 18,204.71 is: 27,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.44 : 83,488.92 = 18,204.71 : x
  2. Step 2: Convert to fraction form
    55,653.44/83,488.92 = 18,204.71/x
  3. Step 3: Cross multiply
    55,653.44x = 83,488.92 × 18,204.71
  4. Step 4: Simplify right side
    55,653.44x = 1,519,891,159.37
  5. Step 5: Solve for x
    x = 1,519,891,159.37/55,653.44
  6. Step 6: Final answer
    x = 27,309.93

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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.