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Finding the Fourth Proportional to 60,704.84, 91,070.79 and 18,590.84

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Solution

The fourth proportional to 60,704.84, 91,070.79 and 18,590.84 is: 27,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,704.84 : 91,070.79 = 18,590.84 : x
  2. Step 2: Convert to fraction form
    60,704.84/91,070.79 = 18,590.84/x
  3. Step 3: Cross multiply
    60,704.84x = 91,070.79 × 18,590.84
  4. Step 4: Simplify right side
    60,704.84x = 1,693,082,485.56
  5. Step 5: Solve for x
    x = 1,693,082,485.56/60,704.84
  6. Step 6: Final answer
    x = 27,890.40

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1.5x scale

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.