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Finding the Fourth Proportional to 34,847.60, 48,089.90 and 18,932.09

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Solution

The fourth proportional to 34,847.60, 48,089.90 and 18,932.09 is: 26,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,847.60 : 48,089.90 = 18,932.09 : x
  2. Step 2: Convert to fraction form
    34,847.60/48,089.90 = 18,932.09/x
  3. Step 3: Cross multiply
    34,847.60x = 48,089.90 × 18,932.09
  4. Step 4: Simplify right side
    34,847.60x = 910,442,482.45
  5. Step 5: Solve for x
    x = 910,442,482.45/34,847.60
  6. Step 6: Final answer
    x = 26,126.40

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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.