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Finding the Fourth Proportional to 34,992.29, 48,288.90 and 19,076.70

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Solution

The fourth proportional to 34,992.29, 48,288.90 and 19,076.70 is: 26,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992.29 : 48,288.90 = 19,076.70 : x
  2. Step 2: Convert to fraction form
    34,992.29/48,288.90 = 19,076.70/x
  3. Step 3: Cross multiply
    34,992.29x = 48,288.90 × 19,076.70
  4. Step 4: Simplify right side
    34,992.29x = 921,192,858.63
  5. Step 5: Solve for x
    x = 921,192,858.63/34,992.29
  6. Step 6: Final answer
    x = 26,325.60

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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.