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Finding the Fourth Proportional to 61,628.31, 85,047.08 and 33,334.01

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Solution

The fourth proportional to 61,628.31, 85,047.08 and 33,334.01 is: 46,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.31 : 85,047.08 = 33,334.01 : x
  2. Step 2: Convert to fraction form
    61,628.31/85,047.08 = 33,334.01/x
  3. Step 3: Cross multiply
    61,628.31x = 85,047.08 × 33,334.01
  4. Step 4: Simplify right side
    61,628.31x = 2,834,959,623.29
  5. Step 5: Solve for x
    x = 2,834,959,623.29/61,628.31
  6. Step 6: Final answer
    x = 46,000.93

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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.