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Finding the Fourth Proportional to 45,718.70, 68,560.02 and 17,623.31

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Solution

The fourth proportional to 45,718.70, 68,560.02 and 17,623.31 is: 26,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718.70 : 68,560.02 = 17,623.31 : x
  2. Step 2: Convert to fraction form
    45,718.70/68,560.02 = 17,623.31/x
  3. Step 3: Cross multiply
    45,718.70x = 68,560.02 × 17,623.31
  4. Step 4: Simplify right side
    45,718.70x = 1,208,254,143.27
  5. Step 5: Solve for x
    x = 1,208,254,143.27/45,718.70
  6. Step 6: Final answer
    x = 26,428.01

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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.