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Finding the Fourth Proportional to 4,713.06, 7,065.95 and 3,153

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Solution

The fourth proportional to 4,713.06, 7,065.95 and 3,153 is: 4,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.06 : 7,065.95 = 3,153 : x
  2. Step 2: Convert to fraction form
    4,713.06/7,065.95 = 3,153/x
  3. Step 3: Cross multiply
    4,713.06x = 7,065.95 × 3,153
  4. Step 4: Simplify right side
    4,713.06x = 22,278,924.59
  5. Step 5: Solve for x
    x = 22,278,924.59/4,713.06
  6. Step 6: Final answer
    x = 4,727.06

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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.