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Finding the Fourth Proportional to 61,998.91, 85,559.10 and 33,705.20

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Solution

The fourth proportional to 61,998.91, 85,559.10 and 33,705.20 is: 46,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.91 : 85,559.10 = 33,705.20 : x
  2. Step 2: Convert to fraction form
    61,998.91/85,559.10 = 33,705.20/x
  3. Step 3: Cross multiply
    61,998.91x = 85,559.10 × 33,705.20
  4. Step 4: Simplify right side
    61,998.91x = 2,883,786,577.32
  5. Step 5: Solve for x
    x = 2,883,786,577.32/61,998.91
  6. Step 6: Final answer
    x = 46,513.50

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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.