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Finding the Fourth Proportional to 11,070.30, 16,615.86 and 7,375.11

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Solution

The fourth proportional to 11,070.30, 16,615.86 and 7,375.11 is: 11,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.30 : 16,615.86 = 7,375.11 : x
  2. Step 2: Convert to fraction form
    11,070.30/16,615.86 = 7,375.11/x
  3. Step 3: Cross multiply
    11,070.30x = 16,615.86 × 7,375.11
  4. Step 4: Simplify right side
    11,070.30x = 122,543,795.24
  5. Step 5: Solve for x
    x = 122,543,795.24/11,070.30
  6. Step 6: Final answer
    x = 11,069.60

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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.