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Finding the Fourth Proportional to 55,000.67, 82,473.12 and 26,878.68

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Solution

The fourth proportional to 55,000.67, 82,473.12 and 26,878.68 is: 40,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.67 : 82,473.12 = 26,878.68 : x
  2. Step 2: Convert to fraction form
    55,000.67/82,473.12 = 26,878.68/x
  3. Step 3: Cross multiply
    55,000.67x = 82,473.12 × 26,878.68
  4. Step 4: Simplify right side
    55,000.67x = 2,216,768,601.08
  5. Step 5: Solve for x
    x = 2,216,768,601.08/55,000.67
  6. Step 6: Final answer
    x = 40,304.40

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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.