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Finding the Fourth Proportional to 74,488.94, 111,709.72 and 24,559.74

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Solution

The fourth proportional to 74,488.94, 111,709.72 and 24,559.74 is: 36,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,488.94 : 111,709.72 = 24,559.74 : x
  2. Step 2: Convert to fraction form
    74,488.94/111,709.72 = 24,559.74/x
  3. Step 3: Cross multiply
    74,488.94x = 111,709.72 × 24,559.74
  4. Step 4: Simplify right side
    74,488.94x = 2,743,561,678.67
  5. Step 5: Solve for x
    x = 2,743,561,678.67/74,488.94
  6. Step 6: Final answer
    x = 36,831.80

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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.