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Finding the Fourth Proportional to 34,652.80, 47,815.56 and 19,544.80

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Solution

The fourth proportional to 34,652.80, 47,815.56 and 19,544.80 is: 26,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,652.80 : 47,815.56 = 19,544.80 : x
  2. Step 2: Convert to fraction form
    34,652.80/47,815.56 = 19,544.80/x
  3. Step 3: Cross multiply
    34,652.80x = 47,815.56 × 19,544.80
  4. Step 4: Simplify right side
    34,652.80x = 934,545,557.09
  5. Step 5: Solve for x
    x = 934,545,557.09/34,652.80
  6. Step 6: Final answer
    x = 26,968.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.