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Finding the Fourth Proportional to 61,649.90, 85,076.86 and 33,355.59

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Solution

The fourth proportional to 61,649.90, 85,076.86 and 33,355.59 is: 46,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649.90 : 85,076.86 = 33,355.59 : x
  2. Step 2: Convert to fraction form
    61,649.90/85,076.86 = 33,355.59/x
  3. Step 3: Cross multiply
    61,649.90x = 85,076.86 × 33,355.59
  4. Step 4: Simplify right side
    61,649.90x = 2,837,788,435.26
  5. Step 5: Solve for x
    x = 2,837,788,435.26/61,649.90
  6. Step 6: Final answer
    x = 46,030.71

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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.