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Finding the Fourth Proportional to 61,241.58, 84,510.62 and 34,383.60

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Solution

The fourth proportional to 61,241.58, 84,510.62 and 34,383.60 is: 47,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.58 : 84,510.62 = 34,383.60 : x
  2. Step 2: Convert to fraction form
    61,241.58/84,510.62 = 34,383.60/x
  3. Step 3: Cross multiply
    61,241.58x = 84,510.62 × 34,383.60
  4. Step 4: Simplify right side
    61,241.58x = 2,905,779,353.83
  5. Step 5: Solve for x
    x = 2,905,779,353.83/61,241.58
  6. Step 6: Final answer
    x = 47,447.82

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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.