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Finding the Fourth Proportional to 45,392.16, 68,096.88 and 17,688

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Solution

The fourth proportional to 45,392.16, 68,096.88 and 17,688 is: 26,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392.16 : 68,096.88 = 17,688 : x
  2. Step 2: Convert to fraction form
    45,392.16/68,096.88 = 17,688/x
  3. Step 3: Cross multiply
    45,392.16x = 68,096.88 × 17,688
  4. Step 4: Simplify right side
    45,392.16x = 1,204,497,613.44
  5. Step 5: Solve for x
    x = 1,204,497,613.44/45,392.16
  6. Step 6: Final answer
    x = 26,535.37

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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.