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Finding the Fourth Proportional to 35,461.60, 53,179.80 and 15,704.80

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Solution

The fourth proportional to 35,461.60, 53,179.80 and 15,704.80 is: 23,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,461.60 : 53,179.80 = 15,704.80 : x
  2. Step 2: Convert to fraction form
    35,461.60/53,179.80 = 15,704.80/x
  3. Step 3: Cross multiply
    35,461.60x = 53,179.80 × 15,704.80
  4. Step 4: Simplify right side
    35,461.60x = 835,178,123.04
  5. Step 5: Solve for x
    x = 835,178,123.04/35,461.60
  6. Step 6: Final answer
    x = 23,551.62

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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.