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Finding the Fourth Proportional to 34,807.72, 48,023.22 and 19,698.88

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Solution

The fourth proportional to 34,807.72, 48,023.22 and 19,698.88 is: 27,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.72 : 48,023.22 = 19,698.88 : x
  2. Step 2: Convert to fraction form
    34,807.72/48,023.22 = 19,698.88/x
  3. Step 3: Cross multiply
    34,807.72x = 48,023.22 × 19,698.88
  4. Step 4: Simplify right side
    34,807.72x = 946,003,647.99
  5. Step 5: Solve for x
    x = 946,003,647.99/34,807.72
  6. Step 6: Final answer
    x = 27,177.98

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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.