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Finding the Fourth Proportional to 34,001.97, 46,919.11 and 19,659.50

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Solution

The fourth proportional to 34,001.97, 46,919.11 and 19,659.50 is: 27,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,001.97 : 46,919.11 = 19,659.50 : x
  2. Step 2: Convert to fraction form
    34,001.97/46,919.11 = 19,659.50/x
  3. Step 3: Cross multiply
    34,001.97x = 46,919.11 × 19,659.50
  4. Step 4: Simplify right side
    34,001.97x = 922,406,243.05
  5. Step 5: Solve for x
    x = 922,406,243.05/34,001.97
  6. Step 6: Final answer
    x = 27,128.02

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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.