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Finding the Fourth Proportional to 43,988.55, 60,739.14 and 40,630.16

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Solution

The fourth proportional to 43,988.55, 60,739.14 and 40,630.16 is: 56,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.55 : 60,739.14 = 40,630.16 : x
  2. Step 2: Convert to fraction form
    43,988.55/60,739.14 = 40,630.16/x
  3. Step 3: Cross multiply
    43,988.55x = 60,739.14 × 40,630.16
  4. Step 4: Simplify right side
    43,988.55x = 2,467,840,672.77
  5. Step 5: Solve for x
    x = 2,467,840,672.77/43,988.55
  6. Step 6: Final answer
    x = 56,101.89

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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.