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Finding the Fourth Proportional to 58,794.30, 88,191.45 and 54,857.70

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Solution

The fourth proportional to 58,794.30, 88,191.45 and 54,857.70 is: 82,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.30 : 88,191.45 = 54,857.70 : x
  2. Step 2: Convert to fraction form
    58,794.30/88,191.45 = 54,857.70/x
  3. Step 3: Cross multiply
    58,794.30x = 88,191.45 × 54,857.70
  4. Step 4: Simplify right side
    58,794.30x = 4,837,980,106.67
  5. Step 5: Solve for x
    x = 4,837,980,106.67/58,794.30
  6. Step 6: Final answer
    x = 82,286.55

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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.