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Finding the Fourth Proportional to 55,503, 76,594.20 and 30,352.56

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Solution

The fourth proportional to 55,503, 76,594.20 and 30,352.56 is: 41,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,503 : 76,594.20 = 30,352.56 : x
  2. Step 2: Convert to fraction form
    55,503/76,594.20 = 30,352.56/x
  3. Step 3: Cross multiply
    55,503x = 76,594.20 × 30,352.56
  4. Step 4: Simplify right side
    55,503x = 2,324,830,051.15
  5. Step 5: Solve for x
    x = 2,324,830,051.15/55,503
  6. Step 6: Final answer
    x = 41,886.57

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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.