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Finding the Fourth Proportional to 43,998.80, 66,095.40 and 42,832.40

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Solution

The fourth proportional to 43,998.80, 66,095.40 and 42,832.40 is: 64,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.80 : 66,095.40 = 42,832.40 : x
  2. Step 2: Convert to fraction form
    43,998.80/66,095.40 = 42,832.40/x
  3. Step 3: Cross multiply
    43,998.80x = 66,095.40 × 42,832.40
  4. Step 4: Simplify right side
    43,998.80x = 2,831,024,610.96
  5. Step 5: Solve for x
    x = 2,831,024,610.96/43,998.80
  6. Step 6: Final answer
    x = 64,343.22

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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.