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Finding the Fourth Proportional to 55,230.62, 82,875.62 and 21,950.96

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Solution

The fourth proportional to 55,230.62, 82,875.62 and 21,950.96 is: 32,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.62 : 82,875.62 = 21,950.96 : x
  2. Step 2: Convert to fraction form
    55,230.62/82,875.62 = 21,950.96/x
  3. Step 3: Cross multiply
    55,230.62x = 82,875.62 × 21,950.96
  4. Step 4: Simplify right side
    55,230.62x = 1,819,198,895.46
  5. Step 5: Solve for x
    x = 1,819,198,895.46/55,230.62
  6. Step 6: Final answer
    x = 32,938.23

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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.