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Finding the Fourth Proportional to 49,894.60, 74,840.30 and 16,616.20

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Solution

The fourth proportional to 49,894.60, 74,840.30 and 16,616.20 is: 24,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,894.60 : 74,840.30 = 16,616.20 : x
  2. Step 2: Convert to fraction form
    49,894.60/74,840.30 = 16,616.20/x
  3. Step 3: Cross multiply
    49,894.60x = 74,840.30 × 16,616.20
  4. Step 4: Simplify right side
    49,894.60x = 1,243,561,392.86
  5. Step 5: Solve for x
    x = 1,243,561,392.86/49,894.60
  6. Step 6: Final answer
    x = 24,923.77

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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.