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Finding the Fourth Proportional to 19,902.51, 29,853.63 and 6,051.51

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Solution

The fourth proportional to 19,902.51, 29,853.63 and 6,051.51 is: 9,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.51 : 29,853.63 = 6,051.51 : x
  2. Step 2: Convert to fraction form
    19,902.51/29,853.63 = 6,051.51/x
  3. Step 3: Cross multiply
    19,902.51x = 29,853.63 × 6,051.51
  4. Step 4: Simplify right side
    19,902.51x = 180,659,540.48
  5. Step 5: Solve for x
    x = 180,659,540.48/19,902.51
  6. Step 6: Final answer
    x = 9,077.22

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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.