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Finding the Fourth Proportional to 10,851.14, 16,276.71 and 8,508.62

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Solution

The fourth proportional to 10,851.14, 16,276.71 and 8,508.62 is: 12,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.14 : 16,276.71 = 8,508.62 : x
  2. Step 2: Convert to fraction form
    10,851.14/16,276.71 = 8,508.62/x
  3. Step 3: Cross multiply
    10,851.14x = 16,276.71 × 8,508.62
  4. Step 4: Simplify right side
    10,851.14x = 138,492,340.24
  5. Step 5: Solve for x
    x = 138,492,340.24/10,851.14
  6. Step 6: Final answer
    x = 12,762.93

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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.