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Finding the Fourth Proportional to 55,615.63, 83,229.52 and 45,503.51

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Solution

The fourth proportional to 55,615.63, 83,229.52 and 45,503.51 is: 68,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.63 : 83,229.52 = 45,503.51 : x
  2. Step 2: Convert to fraction form
    55,615.63/83,229.52 = 45,503.51/x
  3. Step 3: Cross multiply
    55,615.63x = 83,229.52 × 45,503.51
  4. Step 4: Simplify right side
    55,615.63x = 3,787,235,295.62
  5. Step 5: Solve for x
    x = 3,787,235,295.62/55,615.63
  6. Step 6: Final answer
    x = 68,096.60

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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.