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Finding the Fourth Proportional to 7,026.66, 10,536.96 and 4,959.96

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Solution

The fourth proportional to 7,026.66, 10,536.96 and 4,959.96 is: 7,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.66 : 10,536.96 = 4,959.96 : x
  2. Step 2: Convert to fraction form
    7,026.66/10,536.96 = 4,959.96/x
  3. Step 3: Cross multiply
    7,026.66x = 10,536.96 × 4,959.96
  4. Step 4: Simplify right side
    7,026.66x = 52,262,900.12
  5. Step 5: Solve for x
    x = 52,262,900.12/7,026.66
  6. Step 6: Final answer
    x = 7,437.80

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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.