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Finding the Fourth Proportional to 21,527.33, 29,706.00 and 11,966.47

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Solution

The fourth proportional to 21,527.33, 29,706.00 and 11,966.47 is: 16,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.33 : 29,706.00 = 11,966.47 : x
  2. Step 2: Convert to fraction form
    21,527.33/29,706.00 = 11,966.47/x
  3. Step 3: Cross multiply
    21,527.33x = 29,706.00 × 11,966.47
  4. Step 4: Simplify right side
    21,527.33x = 355,475,838.68
  5. Step 5: Solve for x
    x = 355,475,838.68/21,527.33
  6. Step 6: Final answer
    x = 16,512.77

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1.5x scale

Why These Related Problems?

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