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Finding the Fourth Proportional to 9,585, 14,378.84 and 3,011.70

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Solution

The fourth proportional to 9,585, 14,378.84 and 3,011.70 is: 4,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585 : 14,378.84 = 3,011.70 : x
  2. Step 2: Convert to fraction form
    9,585/14,378.84 = 3,011.70/x
  3. Step 3: Cross multiply
    9,585x = 14,378.84 × 3,011.70
  4. Step 4: Simplify right side
    9,585x = 43,304,752.43
  5. Step 5: Solve for x
    x = 43,304,752.43/9,585
  6. Step 6: Final answer
    x = 4,517.97

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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.