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Finding the Fourth Proportional to 17,776.68, 26,650.62 and 7,396.20

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Solution

The fourth proportional to 17,776.68, 26,650.62 and 7,396.20 is: 11,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.68 : 26,650.62 = 7,396.20 : x
  2. Step 2: Convert to fraction form
    17,776.68/26,650.62 = 7,396.20/x
  3. Step 3: Cross multiply
    17,776.68x = 26,650.62 × 7,396.20
  4. Step 4: Simplify right side
    17,776.68x = 197,113,315.64
  5. Step 5: Solve for x
    x = 197,113,315.64/17,776.68
  6. Step 6: Final answer
    x = 11,088.31

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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.