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Finding the Fourth Proportional to 61,220.93, 84,486.99 and 33,997.47

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Solution

The fourth proportional to 61,220.93, 84,486.99 and 33,997.47 is: 46,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.93 : 84,486.99 = 33,997.47 : x
  2. Step 2: Convert to fraction form
    61,220.93/84,486.99 = 33,997.47/x
  3. Step 3: Cross multiply
    61,220.93x = 84,486.99 × 33,997.47
  4. Step 4: Simplify right side
    61,220.93x = 2,872,343,781.69
  5. Step 5: Solve for x
    x = 2,872,343,781.69/61,220.93
  6. Step 6: Final answer
    x = 46,917.68

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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.