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Finding the Fourth Proportional to 61,505.22, 84,880.03 and 34,283.09

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Solution

The fourth proportional to 61,505.22, 84,880.03 and 34,283.09 is: 47,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.22 : 84,880.03 = 34,283.09 : x
  2. Step 2: Convert to fraction form
    61,505.22/84,880.03 = 34,283.09/x
  3. Step 3: Cross multiply
    61,505.22x = 84,880.03 × 34,283.09
  4. Step 4: Simplify right side
    61,505.22x = 2,909,949,422.18
  5. Step 5: Solve for x
    x = 2,909,949,422.18/61,505.22
  6. Step 6: Final answer
    x = 47,312.24

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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.