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Finding the Fourth Proportional to 74,958.86, 112,474.74 and 35,468.94

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Solution

The fourth proportional to 74,958.86, 112,474.74 and 35,468.94 is: 53,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.86 : 112,474.74 = 35,468.94 : x
  2. Step 2: Convert to fraction form
    74,958.86/112,474.74 = 35,468.94/x
  3. Step 3: Cross multiply
    74,958.86x = 112,474.74 × 35,468.94
  4. Step 4: Simplify right side
    74,958.86x = 3,989,359,804.58
  5. Step 5: Solve for x
    x = 3,989,359,804.58/74,958.86
  6. Step 6: Final answer
    x = 53,220.66

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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.