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Finding the Fourth Proportional to 45,706.01, 68,560.51 and 15,719.94

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Solution

The fourth proportional to 45,706.01, 68,560.51 and 15,719.94 is: 23,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.01 : 68,560.51 = 15,719.94 : x
  2. Step 2: Convert to fraction form
    45,706.01/68,560.51 = 15,719.94/x
  3. Step 3: Cross multiply
    45,706.01x = 68,560.51 × 15,719.94
  4. Step 4: Simplify right side
    45,706.01x = 1,077,767,093.74
  5. Step 5: Solve for x
    x = 1,077,767,093.74/45,706.01
  6. Step 6: Final answer
    x = 23,580.43

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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.