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Finding the Fourth Proportional to 27,875.40, 41,819.10 and 8,152.44

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Solution

The fourth proportional to 27,875.40, 41,819.10 and 8,152.44 is: 12,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.40 : 41,819.10 = 8,152.44 : x
  2. Step 2: Convert to fraction form
    27,875.40/41,819.10 = 8,152.44/x
  3. Step 3: Cross multiply
    27,875.40x = 41,819.10 × 8,152.44
  4. Step 4: Simplify right side
    27,875.40x = 340,927,703.60
  5. Step 5: Solve for x
    x = 340,927,703.60/27,875.40
  6. Step 6: Final answer
    x = 12,230.41

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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.