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Finding the Fourth Proportional to 5,573.60, 8,361.68 and 1,678.08

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Solution

The fourth proportional to 5,573.60, 8,361.68 and 1,678.08 is: 2,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.60 : 8,361.68 = 1,678.08 : x
  2. Step 2: Convert to fraction form
    5,573.60/8,361.68 = 1,678.08/x
  3. Step 3: Cross multiply
    5,573.60x = 8,361.68 × 1,678.08
  4. Step 4: Simplify right side
    5,573.60x = 14,031,567.97
  5. Step 5: Solve for x
    x = 14,031,567.97/5,573.60
  6. Step 6: Final answer
    x = 2,517.51

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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.