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Finding the Fourth Proportional to 49,967.64, 74,963.52 and 14,910.12

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Solution

The fourth proportional to 49,967.64, 74,963.52 and 14,910.12 is: 22,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,967.64 : 74,963.52 = 14,910.12 : x
  2. Step 2: Convert to fraction form
    49,967.64/74,963.52 = 14,910.12/x
  3. Step 3: Cross multiply
    49,967.64x = 74,963.52 × 14,910.12
  4. Step 4: Simplify right side
    49,967.64x = 1,117,715,078.82
  5. Step 5: Solve for x
    x = 1,117,715,078.82/49,967.64
  6. Step 6: Final answer
    x = 22,368.78

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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.