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Finding the Fourth Proportional to 61,580.22, 84,980.63 and 33,285.93

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Solution

The fourth proportional to 61,580.22, 84,980.63 and 33,285.93 is: 45,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,580.22 : 84,980.63 = 33,285.93 : x
  2. Step 2: Convert to fraction form
    61,580.22/84,980.63 = 33,285.93/x
  3. Step 3: Cross multiply
    61,580.22x = 84,980.63 × 33,285.93
  4. Step 4: Simplify right side
    61,580.22x = 2,828,659,384.75
  5. Step 5: Solve for x
    x = 2,828,659,384.75/61,580.22
  6. Step 6: Final answer
    x = 45,934.54

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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.