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Finding the Fourth Proportional to 62,675.75, 86,492.54 and 34,381.51

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Solution

The fourth proportional to 62,675.75, 86,492.54 and 34,381.51 is: 47,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,675.75 : 86,492.54 = 34,381.51 : x
  2. Step 2: Convert to fraction form
    62,675.75/86,492.54 = 34,381.51/x
  3. Step 3: Cross multiply
    62,675.75x = 86,492.54 × 34,381.51
  4. Step 4: Simplify right side
    62,675.75x = 2,973,744,128.94
  5. Step 5: Solve for x
    x = 2,973,744,128.94/62,675.75
  6. Step 6: Final answer
    x = 47,446.49

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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.