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Finding the Fourth Proportional to 11,175.30, 16,762.95 and 10,851.30

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Solution

The fourth proportional to 11,175.30, 16,762.95 and 10,851.30 is: 16,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.30 : 16,762.95 = 10,851.30 : x
  2. Step 2: Convert to fraction form
    11,175.30/16,762.95 = 10,851.30/x
  3. Step 3: Cross multiply
    11,175.30x = 16,762.95 × 10,851.30
  4. Step 4: Simplify right side
    11,175.30x = 181,899,799.34
  5. Step 5: Solve for x
    x = 181,899,799.34/11,175.30
  6. Step 6: Final answer
    x = 16,276.95

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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.