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Finding the Fourth Proportional to 55,424.54, 76,491.48 and 32,770.86

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Solution

The fourth proportional to 55,424.54, 76,491.48 and 32,770.86 is: 45,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.54 : 76,491.48 = 32,770.86 : x
  2. Step 2: Convert to fraction form
    55,424.54/76,491.48 = 32,770.86/x
  3. Step 3: Cross multiply
    55,424.54x = 76,491.48 × 32,770.86
  4. Step 4: Simplify right side
    55,424.54x = 2,506,691,582.27
  5. Step 5: Solve for x
    x = 2,506,691,582.27/55,424.54
  6. Step 6: Final answer
    x = 45,227.11

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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.