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Finding the Fourth Proportional to 61,047.49, 91,602.46 and 29,062.70

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Solution

The fourth proportional to 61,047.49, 91,602.46 and 29,062.70 is: 43,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047.49 : 91,602.46 = 29,062.70 : x
  2. Step 2: Convert to fraction form
    61,047.49/91,602.46 = 29,062.70/x
  3. Step 3: Cross multiply
    61,047.49x = 91,602.46 × 29,062.70
  4. Step 4: Simplify right side
    61,047.49x = 2,662,214,970.59
  5. Step 5: Solve for x
    x = 2,662,214,970.59/61,047.49
  6. Step 6: Final answer
    x = 43,608.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.