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Finding the Fourth Proportional to 45,706.70, 68,527.65 and 17,615.90

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Solution

The fourth proportional to 45,706.70, 68,527.65 and 17,615.90 is: 26,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.70 : 68,527.65 = 17,615.90 : x
  2. Step 2: Convert to fraction form
    45,706.70/68,527.65 = 17,615.90/x
  3. Step 3: Cross multiply
    45,706.70x = 68,527.65 × 17,615.90
  4. Step 4: Simplify right side
    45,706.70x = 1,207,176,229.64
  5. Step 5: Solve for x
    x = 1,207,176,229.64/45,706.70
  6. Step 6: Final answer
    x = 26,411.36

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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.