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Finding the Fourth Proportional to 61,238.58, 84,506.48 and 34,380.60

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Solution

The fourth proportional to 61,238.58, 84,506.48 and 34,380.60 is: 47,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238.58 : 84,506.48 = 34,380.60 : x
  2. Step 2: Convert to fraction form
    61,238.58/84,506.48 = 34,380.60/x
  3. Step 3: Cross multiply
    61,238.58x = 84,506.48 × 34,380.60
  4. Step 4: Simplify right side
    61,238.58x = 2,905,383,486.29
  5. Step 5: Solve for x
    x = 2,905,383,486.29/61,238.58
  6. Step 6: Final answer
    x = 47,443.68

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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.