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Finding the Fourth Proportional to 8,457.60, 11,660.40 and 6,100.32

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Solution

The fourth proportional to 8,457.60, 11,660.40 and 6,100.32 is: 8,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.60 : 11,660.40 = 6,100.32 : x
  2. Step 2: Convert to fraction form
    8,457.60/11,660.40 = 6,100.32/x
  3. Step 3: Cross multiply
    8,457.60x = 11,660.40 × 6,100.32
  4. Step 4: Simplify right side
    8,457.60x = 71,132,171.33
  5. Step 5: Solve for x
    x = 71,132,171.33/8,457.60
  6. Step 6: Final answer
    x = 8,410.44

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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.