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Finding the Fourth Proportional to 74,392, 111,604.38 and 24,470.08

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Solution

The fourth proportional to 74,392, 111,604.38 and 24,470.08 is: 36,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392 : 111,604.38 = 24,470.08 : x
  2. Step 2: Convert to fraction form
    74,392/111,604.38 = 24,470.08/x
  3. Step 3: Cross multiply
    74,392x = 111,604.38 × 24,470.08
  4. Step 4: Simplify right side
    74,392x = 2,730,968,106.95
  5. Step 5: Solve for x
    x = 2,730,968,106.95/74,392
  6. Step 6: Final answer
    x = 36,710.51

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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.