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Finding the Fourth Proportional to 61,980.90, 85,504.42 and 44,947.77

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Solution

The fourth proportional to 61,980.90, 85,504.42 and 44,947.77 is: 62,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.90 : 85,504.42 = 44,947.77 : x
  2. Step 2: Convert to fraction form
    61,980.90/85,504.42 = 44,947.77/x
  3. Step 3: Cross multiply
    61,980.90x = 85,504.42 × 44,947.77
  4. Step 4: Simplify right side
    61,980.90x = 3,843,233,004.14
  5. Step 5: Solve for x
    x = 3,843,233,004.14/61,980.90
  6. Step 6: Final answer
    x = 62,006.73

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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.