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Finding the Fourth Proportional to 11,567.60, 16,175.20 and 11,567.60

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Solution

The fourth proportional to 11,567.60, 16,175.20 and 11,567.60 is: 16,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.60 : 16,175.20 = 11,567.60 : x
  2. Step 2: Convert to fraction form
    11,567.60/16,175.20 = 11,567.60/x
  3. Step 3: Cross multiply
    11,567.60x = 16,175.20 × 11,567.60
  4. Step 4: Simplify right side
    11,567.60x = 187,108,243.52
  5. Step 5: Solve for x
    x = 187,108,243.52/11,567.60
  6. Step 6: Final answer
    x = 16,175.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.