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Finding the Fourth Proportional to 55,493.47, 76,559.47 and 35,346.75

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Solution

The fourth proportional to 55,493.47, 76,559.47 and 35,346.75 is: 48,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.47 : 76,559.47 = 35,346.75 : x
  2. Step 2: Convert to fraction form
    55,493.47/76,559.47 = 35,346.75/x
  3. Step 3: Cross multiply
    55,493.47x = 76,559.47 × 35,346.75
  4. Step 4: Simplify right side
    55,493.47x = 2,706,128,446.22
  5. Step 5: Solve for x
    x = 2,706,128,446.22/55,493.47
  6. Step 6: Final answer
    x = 48,764.81

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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.