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Finding the Fourth Proportional to 9,506.40, 14,262 and 7,674.16

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Solution

The fourth proportional to 9,506.40, 14,262 and 7,674.16 is: 11,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506.40 : 14,262 = 7,674.16 : x
  2. Step 2: Convert to fraction form
    9,506.40/14,262 = 7,674.16/x
  3. Step 3: Cross multiply
    9,506.40x = 14,262 × 7,674.16
  4. Step 4: Simplify right side
    9,506.40x = 109,448,869.92
  5. Step 5: Solve for x
    x = 109,448,869.92/9,506.40
  6. Step 6: Final answer
    x = 11,513.18

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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.