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Finding the Fourth Proportional to 62,701.34, 86,529.33 and 34,407

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Solution

The fourth proportional to 62,701.34, 86,529.33 and 34,407 is: 47,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,701.34 : 86,529.33 = 34,407 : x
  2. Step 2: Convert to fraction form
    62,701.34/86,529.33 = 34,407/x
  3. Step 3: Cross multiply
    62,701.34x = 86,529.33 × 34,407
  4. Step 4: Simplify right side
    62,701.34x = 2,977,214,657.31
  5. Step 5: Solve for x
    x = 2,977,214,657.31/62,701.34
  6. Step 6: Final answer
    x = 47,482.48

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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.