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Finding the Fourth Proportional to 55,006.68, 82,482.12 and 26,884.68

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Solution

The fourth proportional to 55,006.68, 82,482.12 and 26,884.68 is: 40,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.68 : 82,482.12 = 26,884.68 : x
  2. Step 2: Convert to fraction form
    55,006.68/82,482.12 = 26,884.68/x
  3. Step 3: Cross multiply
    55,006.68x = 82,482.12 × 26,884.68
  4. Step 4: Simplify right side
    55,006.68x = 2,217,505,401.92
  5. Step 5: Solve for x
    x = 2,217,505,401.92/55,006.68
  6. Step 6: Final answer
    x = 40,313.38

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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.