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Finding the Fourth Proportional to 85,217.80, 127,826.70 and 22,894.60

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Solution

The fourth proportional to 85,217.80, 127,826.70 and 22,894.60 is: 34,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.80 : 127,826.70 = 22,894.60 : x
  2. Step 2: Convert to fraction form
    85,217.80/127,826.70 = 22,894.60/x
  3. Step 3: Cross multiply
    85,217.80x = 127,826.70 × 22,894.60
  4. Step 4: Simplify right side
    85,217.80x = 2,926,541,165.82
  5. Step 5: Solve for x
    x = 2,926,541,165.82/85,217.80
  6. Step 6: Final answer
    x = 34,341.90

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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.