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Finding the Fourth Proportional to 62,492.40, 86,174.04 and 41,243.76

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Solution

The fourth proportional to 62,492.40, 86,174.04 and 41,243.76 is: 56,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,492.40 : 86,174.04 = 41,243.76 : x
  2. Step 2: Convert to fraction form
    62,492.40/86,174.04 = 41,243.76/x
  3. Step 3: Cross multiply
    62,492.40x = 86,174.04 × 41,243.76
  4. Step 4: Simplify right side
    62,492.40x = 3,554,141,423.99
  5. Step 5: Solve for x
    x = 3,554,141,423.99/62,492.40
  6. Step 6: Final answer
    x = 56,873.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.