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Finding the Fourth Proportional to 49,657.70, 74,464.95 and 16,364.90

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Solution

The fourth proportional to 49,657.70, 74,464.95 and 16,364.90 is: 24,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657.70 : 74,464.95 = 16,364.90 : x
  2. Step 2: Convert to fraction form
    49,657.70/74,464.95 = 16,364.90/x
  3. Step 3: Cross multiply
    49,657.70x = 74,464.95 × 16,364.90
  4. Step 4: Simplify right side
    49,657.70x = 1,218,611,460.26
  5. Step 5: Solve for x
    x = 1,218,611,460.26/49,657.70
  6. Step 6: Final answer
    x = 24,540.23

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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.