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Finding the Fourth Proportional to 61,954.60, 86,911.40 and 61,954.60

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Solution

The fourth proportional to 61,954.60, 86,911.40 and 61,954.60 is: 86,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,954.60 : 86,911.40 = 61,954.60 : x
  2. Step 2: Convert to fraction form
    61,954.60/86,911.40 = 61,954.60/x
  3. Step 3: Cross multiply
    61,954.60x = 86,911.40 × 61,954.60
  4. Step 4: Simplify right side
    61,954.60x = 5,384,561,022.44
  5. Step 5: Solve for x
    x = 5,384,561,022.44/61,954.60
  6. Step 6: Final answer
    x = 86,911.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.