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Finding the Fourth Proportional to 29,951.90, 41,346.89 and 19,346.70

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Solution

The fourth proportional to 29,951.90, 41,346.89 and 19,346.70 is: 26,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,951.90 : 41,346.89 = 19,346.70 : x
  2. Step 2: Convert to fraction form
    29,951.90/41,346.89 = 19,346.70/x
  3. Step 3: Cross multiply
    29,951.90x = 41,346.89 × 19,346.70
  4. Step 4: Simplify right side
    29,951.90x = 799,925,780.03
  5. Step 5: Solve for x
    x = 799,925,780.03/29,951.90
  6. Step 6: Final answer
    x = 26,707.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.