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Finding the Fourth Proportional to 49,376.70, 74,064.71 and 19,794.12

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Solution

The fourth proportional to 49,376.70, 74,064.71 and 19,794.12 is: 29,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.70 : 74,064.71 = 19,794.12 : x
  2. Step 2: Convert to fraction form
    49,376.70/74,064.71 = 19,794.12/x
  3. Step 3: Cross multiply
    49,376.70x = 74,064.71 × 19,794.12
  4. Step 4: Simplify right side
    49,376.70x = 1,466,045,529.25
  5. Step 5: Solve for x
    x = 1,466,045,529.25/49,376.70
  6. Step 6: Final answer
    x = 29,691.04

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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.