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Finding the Fourth Proportional to 74,811.63, 112,235.74 and 24,891.60

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Solution

The fourth proportional to 74,811.63, 112,235.74 and 24,891.60 is: 37,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.63 : 112,235.74 = 24,891.60 : x
  2. Step 2: Convert to fraction form
    74,811.63/112,235.74 = 24,891.60/x
  3. Step 3: Cross multiply
    74,811.63x = 112,235.74 × 24,891.60
  4. Step 4: Simplify right side
    74,811.63x = 2,793,727,083.56
  5. Step 5: Solve for x
    x = 2,793,727,083.56/74,811.63
  6. Step 6: Final answer
    x = 37,343.49

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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.