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Finding the Fourth Proportional to 55,956.44, 83,934.70 and 53,526.84

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Solution

The fourth proportional to 55,956.44, 83,934.70 and 53,526.84 is: 80,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.44 : 83,934.70 = 53,526.84 : x
  2. Step 2: Convert to fraction form
    55,956.44/83,934.70 = 53,526.84/x
  3. Step 3: Cross multiply
    55,956.44x = 83,934.70 × 53,526.84
  4. Step 4: Simplify right side
    55,956.44x = 4,492,759,257.35
  5. Step 5: Solve for x
    x = 4,492,759,257.35/55,956.44
  6. Step 6: Final answer
    x = 80,290.30

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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.