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Finding the Fourth Proportional to 7,079.64, 9,770.09 and 4,095.66

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Solution

The fourth proportional to 7,079.64, 9,770.09 and 4,095.66 is: 5,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.64 : 9,770.09 = 4,095.66 : x
  2. Step 2: Convert to fraction form
    7,079.64/9,770.09 = 4,095.66/x
  3. Step 3: Cross multiply
    7,079.64x = 9,770.09 × 4,095.66
  4. Step 4: Simplify right side
    7,079.64x = 40,014,966.81
  5. Step 5: Solve for x
    x = 40,014,966.81/7,079.64
  6. Step 6: Final answer
    x = 5,652.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.