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Finding the Fourth Proportional to 61,998.78, 85,559.58 and 33,706.29

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Solution

The fourth proportional to 61,998.78, 85,559.58 and 33,706.29 is: 46,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.78 : 85,559.58 = 33,706.29 : x
  2. Step 2: Convert to fraction form
    61,998.78/85,559.58 = 33,706.29/x
  3. Step 3: Cross multiply
    61,998.78x = 85,559.58 × 33,706.29
  4. Step 4: Simplify right side
    61,998.78x = 2,883,896,015.76
  5. Step 5: Solve for x
    x = 2,883,896,015.76/61,998.78
  6. Step 6: Final answer
    x = 46,515.37

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Double scale
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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.