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Finding the Fourth Proportional to 41,805.84, 62,695.32 and 13,718.28

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Solution

The fourth proportional to 41,805.84, 62,695.32 and 13,718.28 is: 20,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,805.84 : 62,695.32 = 13,718.28 : x
  2. Step 2: Convert to fraction form
    41,805.84/62,695.32 = 13,718.28/x
  3. Step 3: Cross multiply
    41,805.84x = 62,695.32 × 13,718.28
  4. Step 4: Simplify right side
    41,805.84x = 860,071,954.45
  5. Step 5: Solve for x
    x = 860,071,954.45/41,805.84
  6. Step 6: Final answer
    x = 20,573.01

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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.