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Finding the Fourth Proportional to 67,982.60, 101,973.90 and 57,922.40

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Solution

The fourth proportional to 67,982.60, 101,973.90 and 57,922.40 is: 86,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.60 : 101,973.90 = 57,922.40 : x
  2. Step 2: Convert to fraction form
    67,982.60/101,973.90 = 57,922.40/x
  3. Step 3: Cross multiply
    67,982.60x = 101,973.90 × 57,922.40
  4. Step 4: Simplify right side
    67,982.60x = 5,906,573,025.36
  5. Step 5: Solve for x
    x = 5,906,573,025.36/67,982.60
  6. Step 6: Final answer
    x = 86,883.60

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1.5x scale

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.