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Finding the Fourth Proportional to 5,567.58, 7,683.12 and 3,209.94

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Solution

The fourth proportional to 5,567.58, 7,683.12 and 3,209.94 is: 4,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.58 : 7,683.12 = 3,209.94 : x
  2. Step 2: Convert to fraction form
    5,567.58/7,683.12 = 3,209.94/x
  3. Step 3: Cross multiply
    5,567.58x = 7,683.12 × 3,209.94
  4. Step 4: Simplify right side
    5,567.58x = 24,662,354.21
  5. Step 5: Solve for x
    x = 24,662,354.21/5,567.58
  6. Step 6: Final answer
    x = 4,429.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.