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Finding the Fourth Proportional to 55,482.60, 83,276.10 and 29,206.20

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Solution

The fourth proportional to 55,482.60, 83,276.10 and 29,206.20 is: 43,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.60 : 83,276.10 = 29,206.20 : x
  2. Step 2: Convert to fraction form
    55,482.60/83,276.10 = 29,206.20/x
  3. Step 3: Cross multiply
    55,482.60x = 83,276.10 × 29,206.20
  4. Step 4: Simplify right side
    55,482.60x = 2,432,178,431.82
  5. Step 5: Solve for x
    x = 2,432,178,431.82/55,482.60
  6. Step 6: Final answer
    x = 43,836.78

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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.