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Finding the Fourth Proportional to 5,855.57, 8,782.70 and 1,473.02

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Solution

The fourth proportional to 5,855.57, 8,782.70 and 1,473.02 is: 2,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.57 : 8,782.70 = 1,473.02 : x
  2. Step 2: Convert to fraction form
    5,855.57/8,782.70 = 1,473.02/x
  3. Step 3: Cross multiply
    5,855.57x = 8,782.70 × 1,473.02
  4. Step 4: Simplify right side
    5,855.57x = 12,937,085.39
  5. Step 5: Solve for x
    x = 12,937,085.39/5,855.57
  6. Step 6: Final answer
    x = 2,209.37

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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.