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Finding the Fourth Proportional to 5,710.45, 8,566.68 and 1,813.94

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Solution

The fourth proportional to 5,710.45, 8,566.68 and 1,813.94 is: 2,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.45 : 8,566.68 = 1,813.94 : x
  2. Step 2: Convert to fraction form
    5,710.45/8,566.68 = 1,813.94/x
  3. Step 3: Cross multiply
    5,710.45x = 8,566.68 × 1,813.94
  4. Step 4: Simplify right side
    5,710.45x = 15,539,443.52
  5. Step 5: Solve for x
    x = 15,539,443.52/5,710.45
  6. Step 6: Final answer
    x = 2,721.23

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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.