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Finding the Fourth Proportional to 27,176.40, 40,774.20 and 26,216.40

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Solution

The fourth proportional to 27,176.40, 40,774.20 and 26,216.40 is: 39,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.40 : 40,774.20 = 26,216.40 : x
  2. Step 2: Convert to fraction form
    27,176.40/40,774.20 = 26,216.40/x
  3. Step 3: Cross multiply
    27,176.40x = 40,774.20 × 26,216.40
  4. Step 4: Simplify right side
    27,176.40x = 1,068,952,736.88
  5. Step 5: Solve for x
    x = 1,068,952,736.88/27,176.40
  6. Step 6: Final answer
    x = 39,333.86

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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.