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Finding the Fourth Proportional to 11,165.22, 16,751.64 and 7,000.20

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Solution

The fourth proportional to 11,165.22, 16,751.64 and 7,000.20 is: 10,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.22 : 16,751.64 = 7,000.20 : x
  2. Step 2: Convert to fraction form
    11,165.22/16,751.64 = 7,000.20/x
  3. Step 3: Cross multiply
    11,165.22x = 16,751.64 × 7,000.20
  4. Step 4: Simplify right side
    11,165.22x = 117,264,830.33
  5. Step 5: Solve for x
    x = 117,264,830.33/11,165.22
  6. Step 6: Final answer
    x = 10,502.69

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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.