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Finding the Fourth Proportional to 11,343.76, 17,026.48 and 6,969.76

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Solution

The fourth proportional to 11,343.76, 17,026.48 and 6,969.76 is: 10,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.76 : 17,026.48 = 6,969.76 : x
  2. Step 2: Convert to fraction form
    11,343.76/17,026.48 = 6,969.76/x
  3. Step 3: Cross multiply
    11,343.76x = 17,026.48 × 6,969.76
  4. Step 4: Simplify right side
    11,343.76x = 118,670,479.24
  5. Step 5: Solve for x
    x = 118,670,479.24/11,343.76
  6. Step 6: Final answer
    x = 10,461.30

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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.