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Finding the Fourth Proportional to 55,653.46, 83,491.12 and 20,593.42

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Solution

The fourth proportional to 55,653.46, 83,491.12 and 20,593.42 is: 30,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.46 : 83,491.12 = 20,593.42 : x
  2. Step 2: Convert to fraction form
    55,653.46/83,491.12 = 20,593.42/x
  3. Step 3: Cross multiply
    55,653.46x = 83,491.12 × 20,593.42
  4. Step 4: Simplify right side
    55,653.46x = 1,719,367,700.43
  5. Step 5: Solve for x
    x = 1,719,367,700.43/55,653.46
  6. Step 6: Final answer
    x = 30,894.17

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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.