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Finding the Fourth Proportional to 75,473.88, 113,259.96 and 28,727.16

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Solution

The fourth proportional to 75,473.88, 113,259.96 and 28,727.16 is: 43,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,473.88 : 113,259.96 = 28,727.16 : x
  2. Step 2: Convert to fraction form
    75,473.88/113,259.96 = 28,727.16/x
  3. Step 3: Cross multiply
    75,473.88x = 113,259.96 × 28,727.16
  4. Step 4: Simplify right side
    75,473.88x = 3,253,636,992.51
  5. Step 5: Solve for x
    x = 3,253,636,992.51/75,473.88
  6. Step 6: Final answer
    x = 43,109.44

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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.