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Finding the Fourth Proportional to 11,275.03, 16,907.65 and 5,353.63

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Solution

The fourth proportional to 11,275.03, 16,907.65 and 5,353.63 is: 8,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.03 : 16,907.65 = 5,353.63 : x
  2. Step 2: Convert to fraction form
    11,275.03/16,907.65 = 5,353.63/x
  3. Step 3: Cross multiply
    11,275.03x = 16,907.65 × 5,353.63
  4. Step 4: Simplify right side
    11,275.03x = 90,517,246.62
  5. Step 5: Solve for x
    x = 90,517,246.62/11,275.03
  6. Step 6: Final answer
    x = 8,028.11

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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.