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Finding the Fourth Proportional to 74,574.71, 111,879.59 and 24,654.81

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Solution

The fourth proportional to 74,574.71, 111,879.59 and 24,654.81 is: 36,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.71 : 111,879.59 = 24,654.81 : x
  2. Step 2: Convert to fraction form
    74,574.71/111,879.59 = 24,654.81/x
  3. Step 3: Cross multiply
    74,574.71x = 111,879.59 × 24,654.81
  4. Step 4: Simplify right side
    74,574.71x = 2,758,370,034.33
  5. Step 5: Solve for x
    x = 2,758,370,034.33/74,574.71
  6. Step 6: Final answer
    x = 36,988.01

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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.