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Finding the Fourth Proportional to 5,813.98, 8,699.42 and 3,475.28

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Solution

The fourth proportional to 5,813.98, 8,699.42 and 3,475.28 is: 5,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.98 : 8,699.42 = 3,475.28 : x
  2. Step 2: Convert to fraction form
    5,813.98/8,699.42 = 3,475.28/x
  3. Step 3: Cross multiply
    5,813.98x = 8,699.42 × 3,475.28
  4. Step 4: Simplify right side
    5,813.98x = 30,232,920.34
  5. Step 5: Solve for x
    x = 30,232,920.34/5,813.98
  6. Step 6: Final answer
    x = 5,200.04

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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.