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Finding the Fourth Proportional to 55,690.68, 83,536.56 and 44,582.88

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Solution

The fourth proportional to 55,690.68, 83,536.56 and 44,582.88 is: 66,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.68 : 83,536.56 = 44,582.88 : x
  2. Step 2: Convert to fraction form
    55,690.68/83,536.56 = 44,582.88/x
  3. Step 3: Cross multiply
    55,690.68x = 83,536.56 × 44,582.88
  4. Step 4: Simplify right side
    55,690.68x = 3,724,300,430.09
  5. Step 5: Solve for x
    x = 3,724,300,430.09/55,690.68
  6. Step 6: Final answer
    x = 66,874.75

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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.