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Finding the Fourth Proportional to 11,706.09, 17,555.48 and 3,913.08

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Solution

The fourth proportional to 11,706.09, 17,555.48 and 3,913.08 is: 5,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.09 : 17,555.48 = 3,913.08 : x
  2. Step 2: Convert to fraction form
    11,706.09/17,555.48 = 3,913.08/x
  3. Step 3: Cross multiply
    11,706.09x = 17,555.48 × 3,913.08
  4. Step 4: Simplify right side
    11,706.09x = 68,696,007.46
  5. Step 5: Solve for x
    x = 68,696,007.46/11,706.09
  6. Step 6: Final answer
    x = 5,868.40

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1.5x scale

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.