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Finding the Fourth Proportional to 55,998.90, 83,840.40 and 43,541.10

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Solution

The fourth proportional to 55,998.90, 83,840.40 and 43,541.10 is: 65,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.90 : 83,840.40 = 43,541.10 : x
  2. Step 2: Convert to fraction form
    55,998.90/83,840.40 = 43,541.10/x
  3. Step 3: Cross multiply
    55,998.90x = 83,840.40 × 43,541.10
  4. Step 4: Simplify right side
    55,998.90x = 3,650,503,240.44
  5. Step 5: Solve for x
    x = 3,650,503,240.44/55,998.90
  6. Step 6: Final answer
    x = 65,188.84

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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.