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Finding the Fourth Proportional to 62,649, 86,454.68 and 33,967.85

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Solution

The fourth proportional to 62,649, 86,454.68 and 33,967.85 is: 46,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649 : 86,454.68 = 33,967.85 : x
  2. Step 2: Convert to fraction form
    62,649/86,454.68 = 33,967.85/x
  3. Step 3: Cross multiply
    62,649x = 86,454.68 × 33,967.85
  4. Step 4: Simplify right side
    62,649x = 2,936,678,999.93
  5. Step 5: Solve for x
    x = 2,936,678,999.93/62,649
  6. Step 6: Final answer
    x = 46,875.11

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1.5x scale

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.