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Finding the Fourth Proportional to 61,640.90, 85,064.59 and 33,346.59

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Solution

The fourth proportional to 61,640.90, 85,064.59 and 33,346.59 is: 46,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.90 : 85,064.59 = 33,346.59 : x
  2. Step 2: Convert to fraction form
    61,640.90/85,064.59 = 33,346.59/x
  3. Step 3: Cross multiply
    61,640.90x = 85,064.59 × 33,346.59
  4. Step 4: Simplify right side
    61,640.90x = 2,836,614,047.93
  5. Step 5: Solve for x
    x = 2,836,614,047.93/61,640.90
  6. Step 6: Final answer
    x = 46,018.37

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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.