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Finding the Fourth Proportional to 55,473.39, 83,230.87 and 28,802.73

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Solution

The fourth proportional to 55,473.39, 83,230.87 and 28,802.73 is: 43,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,473.39 : 83,230.87 = 28,802.73 : x
  2. Step 2: Convert to fraction form
    55,473.39/83,230.87 = 28,802.73/x
  3. Step 3: Cross multiply
    55,473.39x = 83,230.87 × 28,802.73
  4. Step 4: Simplify right side
    55,473.39x = 2,397,276,276.28
  5. Step 5: Solve for x
    x = 2,397,276,276.28/55,473.39
  6. Step 6: Final answer
    x = 43,214.89

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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.