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Finding the Fourth Proportional to 49,407.84, 74,118.90 and 16,119.68

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Solution

The fourth proportional to 49,407.84, 74,118.90 and 16,119.68 is: 24,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,407.84 : 74,118.90 = 16,119.68 : x
  2. Step 2: Convert to fraction form
    49,407.84/74,118.90 = 16,119.68/x
  3. Step 3: Cross multiply
    49,407.84x = 74,118.90 × 16,119.68
  4. Step 4: Simplify right side
    49,407.84x = 1,194,772,949.95
  5. Step 5: Solve for x
    x = 1,194,772,949.95/49,407.84
  6. Step 6: Final answer
    x = 24,181.85

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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.