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Finding the Fourth Proportional to 34,999.51, 48,298.12 and 19,891.90

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Solution

The fourth proportional to 34,999.51, 48,298.12 and 19,891.90 is: 27,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,999.51 : 48,298.12 = 19,891.90 : x
  2. Step 2: Convert to fraction form
    34,999.51/48,298.12 = 19,891.90/x
  3. Step 3: Cross multiply
    34,999.51x = 48,298.12 × 19,891.90
  4. Step 4: Simplify right side
    34,999.51x = 960,741,202.75
  5. Step 5: Solve for x
    x = 960,741,202.75/34,999.51
  6. Step 6: Final answer
    x = 27,450.13

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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.